80503280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:295

約数の個数: 160

約数和(自身を含む): 227985408

約数和(自身を除く): 147482128

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 227, 248, 260, 286, 310, 341, 403, 440, 454, 496, 520, 572, 620, 682, 715, 806, 880, 908, 1040, 1135, 1144, 1240, 1364, 1430, 1612, 1705, 1816, 2015, 2270, 2288, 2480, 2497, 2728, 2860, 2951, 3224, 3410, 3632, 4030, 4433, 4540, 4994, 5456, 5720, 5902, 6448, 6820, 7037, 8060, 8866, 9080, 9988, 11440, 11804, 12485, 13640, 14074, 14755, 16120, 17732, 18160, 19976, 22165, 23608, 24970, 27280, 28148, 29510, 32240, 32461, 35185, 35464, 39952, 44330, 47216, 49940, 56296, 59020, 64922, 70370, 70928, 77407, 88660, 91481, 99880, 112592, 118040, 129844, 140740, 154814, 162305, 177320, 182962, 199760, 236080, 259688, 281480, 309628, 324610, 354640, 365924, 387035, 457405, 519376, 562960, 619256, 649220, 731848, 774070, 914810, 1006291, 1238512, 1298440, 1463696, 1548140, 1829620, 2012582, 2596880, 3096280, 3659240, 4025164, 5031455, 6192560, 7318480, 8050328, 10062910, 16100656, 20125820, 40251640, 80503280]

約数ペア:

[(1, 80503280), (2, 40251640), (4, 20125820), (5, 16100656), (8, 10062910), (10, 8050328), (11, 7318480), (13, 6192560), (16, 5031455), (20, 4025164), (22, 3659240), (26, 3096280), (31, 2596880), (40, 2012582), (44, 1829620), (52, 1548140), (55, 1463696), (62, 1298440), (65, 1238512), (80, 1006291), (88, 914810), (104, 774070), (110, 731848), (124, 649220), (130, 619256), (143, 562960), (155, 519376), (176, 457405), (208, 387035), (220, 365924), (227, 354640), (248, 324610), (260, 309628), (286, 281480), (310, 259688), (341, 236080), (403, 199760), (440, 182962), (454, 177320), (496, 162305), (520, 154814), (572, 140740), (620, 129844), (682, 118040), (715, 112592), (806, 99880), (880, 91481), (908, 88660), (1040, 77407), (1135, 70928), (1144, 70370), (1240, 64922), (1364, 59020), (1430, 56296), (1612, 49940), (1705, 47216), (1816, 44330), (2015, 39952), (2270, 35464), (2288, 35185), (2480, 32461), (2497, 32240), (2728, 29510), (2860, 28148), (2951, 27280), (3224, 24970), (3410, 23608), (3632, 22165), (4030, 19976), (4433, 18160), (4540, 17732), (4994, 16120), (5456, 14755), (5720, 14074), (5902, 13640), (6448, 12485), (6820, 11804), (7037, 11440), (8060, 9988), (8866, 9080)]