129130625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 181591872

約数和(自身を除く): 52461247

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 625, 691, 1495, 1625, 2875, 3455, 7475, 8125, 8983, 14375, 15893, 17275, 37375, 44915, 79465, 86375, 186875, 206609, 224575, 397325, 431875, 1033045, 1122875, 1986625, 5165225, 5614375, 9933125, 25826125, 129130625]

約数ペア:

[(1, 129130625), (5, 25826125), (13, 9933125), (23, 5614375), (25, 5165225), (65, 1986625), (115, 1122875), (125, 1033045), (299, 431875), (325, 397325), (575, 224575), (625, 206609), (691, 186875), (1495, 86375), (1625, 79465), (2875, 44915), (3455, 37375), (7475, 17275), (8125, 15893), (8983, 14375)]