4020231875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2081}}^1$

素因数の和:2393

約数の個数: 40

約数和(自身を含む): 5502526128

約数和(自身を除く): 1482294253

約数列:

[1, 5, 11, 25, 55, 125, 275, 281, 625, 1375, 1405, 2081, 3091, 6875, 7025, 10405, 15455, 22891, 35125, 52025, 77275, 114455, 175625, 260125, 386375, 572275, 584761, 1300625, 1931875, 2861375, 2923805, 6432371, 14306875, 14619025, 32161855, 73095125, 160809275, 365475625, 804046375, 4020231875]

約数ペア:

[(1, 4020231875), (5, 804046375), (11, 365475625), (25, 160809275), (55, 73095125), (125, 32161855), (275, 14619025), (281, 14306875), (625, 6432371), (1375, 2923805), (1405, 2861375), (2081, 1931875), (3091, 1300625), (6875, 584761), (7025, 572275), (10405, 386375), (15455, 260125), (22891, 175625), (35125, 114455), (52025, 77275)]