55757980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2579}}^1$

素因数の和:2658

約数の個数: 48

約数和(自身を含む): 124830720

約数和(自身を除く): 69072740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 2579, 4324, 5158, 5405, 10316, 10810, 12895, 21620, 25790, 51580, 59317, 118634, 121213, 237268, 242426, 296585, 484852, 593170, 606065, 1186340, 1212130, 2424260, 2787899, 5575798, 11151596, 13939495, 27878990, 55757980]

約数ペア:

[(1, 55757980), (2, 27878990), (4, 13939495), (5, 11151596), (10, 5575798), (20, 2787899), (23, 2424260), (46, 1212130), (47, 1186340), (92, 606065), (94, 593170), (115, 484852), (188, 296585), (230, 242426), (235, 237268), (460, 121213), (470, 118634), (940, 59317), (1081, 51580), (2162, 25790), (2579, 21620), (4324, 12895), (5158, 10810), (5405, 10316)]