13195625

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:554

約数の個数: 20

約数和(自身を含む): 16907088

約数和(自身を除く): 3711463

約数列:

[1, 5, 25, 43, 125, 215, 491, 625, 1075, 2455, 5375, 12275, 21113, 26875, 61375, 105565, 306875, 527825, 2639125, 13195625]

約数ペア:

[(1, 13195625), (5, 2639125), (25, 527825), (43, 306875), (125, 105565), (215, 61375), (491, 26875), (625, 21113), (1075, 12275), (2455, 5375)]