2019306875

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 2601217344

約数和(自身を除く): 581910469

約数列:

[1, 5, 25, 43, 125, 215, 227, 331, 625, 1075, 1135, 1655, 5375, 5675, 8275, 9761, 14233, 26875, 28375, 41375, 48805, 71165, 75137, 141875, 206875, 244025, 355825, 375685, 1220125, 1779125, 1878425, 3230891, 6100625, 8895625, 9392125, 16154455, 46960625, 80772275, 403861375, 2019306875]

約数ペア:

[(1, 2019306875), (5, 403861375), (25, 80772275), (43, 46960625), (125, 16154455), (215, 9392125), (227, 8895625), (331, 6100625), (625, 3230891), (1075, 1878425), (1135, 1779125), (1655, 1220125), (5375, 375685), (5675, 355825), (8275, 244025), (9761, 206875), (14233, 141875), (26875, 75137), (28375, 71165), (41375, 48805)]