51111560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 121374720

約数和(自身を除く): 70263160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 877, 940, 1240, 1457, 1754, 1880, 2914, 3508, 4385, 5828, 7016, 7285, 8770, 11656, 14570, 17540, 27187, 29140, 35080, 41219, 54374, 58280, 82438, 108748, 135935, 164876, 206095, 217496, 271870, 329752, 412190, 543740, 824380, 1087480, 1277789, 1648760, 2555578, 5111156, 6388945, 10222312, 12777890, 25555780, 51111560]

約数ペア:

[(1, 51111560), (2, 25555780), (4, 12777890), (5, 10222312), (8, 6388945), (10, 5111156), (20, 2555578), (31, 1648760), (40, 1277789), (47, 1087480), (62, 824380), (94, 543740), (124, 412190), (155, 329752), (188, 271870), (235, 217496), (248, 206095), (310, 164876), (376, 135935), (470, 108748), (620, 82438), (877, 58280), (940, 54374), (1240, 41219), (1457, 35080), (1754, 29140), (1880, 27187), (2914, 17540), (3508, 14570), (4385, 11656), (5828, 8770), (7016, 7285)]