3725198125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1637}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 5096643552

約数和(自身を除く): 1371445427

約数列:

[1, 5, 11, 25, 55, 125, 275, 331, 625, 1375, 1637, 1655, 3641, 6875, 8185, 8275, 18007, 18205, 40925, 41375, 90035, 91025, 204625, 206875, 450175, 455125, 541847, 1023125, 2250875, 2275625, 2709235, 5960317, 11254375, 13546175, 29801585, 67730875, 149007925, 338654375, 745039625, 3725198125]

約数ペア:

[(1, 3725198125), (5, 745039625), (11, 338654375), (25, 149007925), (55, 67730875), (125, 29801585), (275, 13546175), (331, 11254375), (625, 5960317), (1375, 2709235), (1637, 2275625), (1655, 2250875), (3641, 1023125), (6875, 541847), (8185, 455125), (8275, 450175), (18007, 206875), (18205, 204625), (40925, 91025), (41375, 90035)]