80414620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 205019136

約数和(自身を除く): 124604516

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 907, 1364, 1430, 1612, 1705, 1814, 2015, 2860, 3410, 3628, 4030, 4433, 4535, 6820, 8060, 8866, 9070, 9977, 11791, 17732, 18140, 19954, 22165, 23582, 28117, 39908, 44330, 47164, 49885, 56234, 58955, 88660, 99770, 112468, 117910, 129701, 140585, 199540, 235820, 259402, 281170, 309287, 365521, 518804, 562340, 618574, 648505, 731042, 1237148, 1297010, 1462084, 1546435, 1827605, 2594020, 3092870, 3655210, 4020731, 6185740, 7310420, 8041462, 16082924, 20103655, 40207310, 80414620]

約数ペア:

[(1, 80414620), (2, 40207310), (4, 20103655), (5, 16082924), (10, 8041462), (11, 7310420), (13, 6185740), (20, 4020731), (22, 3655210), (26, 3092870), (31, 2594020), (44, 1827605), (52, 1546435), (55, 1462084), (62, 1297010), (65, 1237148), (110, 731042), (124, 648505), (130, 618574), (143, 562340), (155, 518804), (220, 365521), (260, 309287), (286, 281170), (310, 259402), (341, 235820), (403, 199540), (572, 140585), (620, 129701), (682, 117910), (715, 112468), (806, 99770), (907, 88660), (1364, 58955), (1430, 56234), (1612, 49885), (1705, 47164), (1814, 44330), (2015, 39908), (2860, 28117), (3410, 23582), (3628, 22165), (4030, 19954), (4433, 18140), (4535, 17732), (6820, 11791), (8060, 9977), (8866, 9070)]