12578500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 29981952

約数和(自身を除く): 17403452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2287, 2750, 4574, 5500, 9148, 11435, 22870, 25157, 45740, 50314, 57175, 100628, 114350, 125785, 228700, 251570, 285875, 503140, 571750, 628925, 1143500, 1257850, 2515700, 3144625, 6289250, 12578500]

約数ペア:

[(1, 12578500), (2, 6289250), (4, 3144625), (5, 2515700), (10, 1257850), (11, 1143500), (20, 628925), (22, 571750), (25, 503140), (44, 285875), (50, 251570), (55, 228700), (100, 125785), (110, 114350), (125, 100628), (220, 57175), (250, 50314), (275, 45740), (500, 25157), (550, 22870), (1100, 11435), (1375, 9148), (2287, 5500), (2750, 4574)]