64231625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 83655936

約数和(自身を除く): 19424311

約数列:

[1, 5, 25, 41, 83, 125, 151, 205, 415, 755, 1025, 2075, 3403, 3775, 5125, 6191, 10375, 12533, 17015, 18875, 30955, 62665, 85075, 154775, 313325, 425375, 513853, 773875, 1566625, 2569265, 12846325, 64231625]

約数ペア:

[(1, 64231625), (5, 12846325), (25, 2569265), (41, 1566625), (83, 773875), (125, 513853), (151, 425375), (205, 313325), (415, 154775), (755, 85075), (1025, 62665), (2075, 30955), (3403, 18875), (3775, 17015), (5125, 12533), (6191, 10375)]