28713625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{89}}^2$

素因数の和:222

約数の個数: 24

約数和(自身を含む): 37491480

約数和(自身を除く): 8777855

約数列:

[1, 5, 25, 29, 89, 125, 145, 445, 725, 2225, 2581, 3625, 7921, 11125, 12905, 39605, 64525, 198025, 229709, 322625, 990125, 1148545, 5742725, 28713625]

約数ペア:

[(1, 28713625), (5, 5742725), (25, 1148545), (29, 990125), (89, 322625), (125, 229709), (145, 198025), (445, 64525), (725, 39605), (2225, 12905), (2581, 11125), (3625, 7921)]