40251640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 70063880

約数列:

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

約数ペア:

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