51755450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 99636480

約数和(自身を除く): 47881030

約数列:

[1, 2, 5, 10, 25, 50, 61, 71, 122, 142, 239, 305, 355, 478, 610, 710, 1195, 1525, 1775, 2390, 3050, 3550, 4331, 5975, 8662, 11950, 14579, 16969, 21655, 29158, 33938, 43310, 72895, 84845, 108275, 145790, 169690, 216550, 364475, 424225, 728950, 848450, 1035109, 2070218, 5175545, 10351090, 25877725, 51755450]

約数ペア:

[(1, 51755450), (2, 25877725), (5, 10351090), (10, 5175545), (25, 2070218), (50, 1035109), (61, 848450), (71, 728950), (122, 424225), (142, 364475), (239, 216550), (305, 169690), (355, 145790), (478, 108275), (610, 84845), (710, 72895), (1195, 43310), (1525, 33938), (1775, 29158), (2390, 21655), (3050, 16969), (3550, 14579), (4331, 11950), (5975, 8662)]