2445625

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 40

約数和(自身を含む): 3848768

約数和(自身を除く): 1403143

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 125, 175, 215, 301, 325, 455, 559, 625, 875, 1075, 1505, 1625, 2275, 2795, 3913, 4375, 5375, 7525, 8125, 11375, 13975, 19565, 26875, 37625, 56875, 69875, 97825, 188125, 349375, 489125, 2445625]

約数ペア:

[(1, 2445625), (5, 489125), (7, 349375), (13, 188125), (25, 97825), (35, 69875), (43, 56875), (65, 37625), (91, 26875), (125, 19565), (175, 13975), (215, 11375), (301, 8125), (325, 7525), (455, 5375), (559, 4375), (625, 3913), (875, 2795), (1075, 2275), (1505, 1625)]