81631450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{701}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 162170424

約数和(自身を除く): 80538974

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 137, 170, 274, 425, 685, 701, 850, 1370, 1402, 2329, 3425, 3505, 4658, 6850, 7010, 11645, 11917, 17525, 23290, 23834, 35050, 58225, 59585, 96037, 116450, 119170, 192074, 297925, 480185, 595850, 960370, 1632629, 2400925, 3265258, 4801850, 8163145, 16326290, 40815725, 81631450]

約数ペア:

[(1, 81631450), (2, 40815725), (5, 16326290), (10, 8163145), (17, 4801850), (25, 3265258), (34, 2400925), (50, 1632629), (85, 960370), (137, 595850), (170, 480185), (274, 297925), (425, 192074), (685, 119170), (701, 116450), (850, 96037), (1370, 59585), (1402, 58225), (2329, 35050), (3425, 23834), (3505, 23290), (4658, 17525), (6850, 11917), (7010, 11645)]