12420625

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 18893952

約数和(自身を除く): 6473327

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 167, 175, 425, 595, 625, 835, 875, 1169, 2125, 2839, 2975, 4175, 4375, 5845, 10625, 14195, 14875, 19873, 20875, 29225, 70975, 74375, 99365, 104375, 146125, 354875, 496825, 730625, 1774375, 2484125, 12420625]

約数ペア:

[(1, 12420625), (5, 2484125), (7, 1774375), (17, 730625), (25, 496825), (35, 354875), (85, 146125), (119, 104375), (125, 99365), (167, 74375), (175, 70975), (425, 29225), (595, 20875), (625, 19873), (835, 14875), (875, 14195), (1169, 10625), (2125, 5845), (2839, 4375), (2975, 4175)]