20290625

素因数分解:

$5^5\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 26123328

約数和(自身を除く): 5832703

約数列:

[1, 5, 25, 43, 125, 151, 215, 625, 755, 1075, 3125, 3775, 5375, 6493, 18875, 26875, 32465, 94375, 134375, 162325, 471875, 811625, 4058125, 20290625]

約数ペア:

[(1, 20290625), (5, 4058125), (25, 811625), (43, 471875), (125, 162325), (151, 134375), (215, 94375), (625, 32465), (755, 26875), (1075, 18875), (3125, 6493), (3775, 5375)]