28623125

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1178

約数の個数: 20

約数和(自身を含む): 36672636

約数和(自身を除く): 8049511

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 1117, 5125, 5585, 25625, 27925, 45797, 139625, 228985, 698125, 1144925, 5724625, 28623125]

約数ペア:

[(1, 28623125), (5, 5724625), (25, 1144925), (41, 698125), (125, 228985), (205, 139625), (625, 45797), (1025, 27925), (1117, 25625), (5125, 5585)]