20177851250

素因数分解:

$2^1\times 5^4\times {\mathrm{661}}^1\times {\mathrm{24421}}^1$

素因数の和:25104

約数の個数: 40

約数和(自身を含む): 37880133852

約数和(自身を除く): 17702282602

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 661, 1250, 1322, 3305, 6610, 16525, 24421, 33050, 48842, 82625, 122105, 165250, 244210, 413125, 610525, 826250, 1221050, 3052625, 6105250, 15263125, 16142281, 30526250, 32284562, 80711405, 161422810, 403557025, 807114050, 2017785125, 4035570250, 10088925625, 20177851250]

約数ペア:

[(1, 20177851250), (2, 10088925625), (5, 4035570250), (10, 2017785125), (25, 807114050), (50, 403557025), (125, 161422810), (250, 80711405), (625, 32284562), (661, 30526250), (1250, 16142281), (1322, 15263125), (3305, 6105250), (6610, 3052625), (16525, 1221050), (24421, 826250), (33050, 610525), (48842, 413125), (82625, 244210), (122105, 165250)]