156989375

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 209033088

約数和(自身を除く): 52043713

約数列:

[1, 5, 23, 25, 67, 115, 125, 163, 335, 575, 625, 815, 1541, 1675, 2875, 3749, 4075, 7705, 8375, 10921, 14375, 18745, 20375, 38525, 41875, 54605, 93725, 101875, 192625, 251183, 273025, 468625, 963125, 1255915, 1365125, 2343125, 6279575, 6825625, 31397875, 156989375]

約数ペア:

[(1, 156989375), (5, 31397875), (23, 6825625), (25, 6279575), (67, 2343125), (115, 1365125), (125, 1255915), (163, 963125), (335, 468625), (575, 273025), (625, 251183), (815, 192625), (1541, 101875), (1675, 93725), (2875, 54605), (3749, 41875), (4075, 38525), (7705, 20375), (8375, 18745), (10921, 14375)]