3818125

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 20

約数和(自身を含む): 4920300

約数和(自身を除く): 1102175

約数列:

[1, 5, 25, 41, 125, 149, 205, 625, 745, 1025, 3725, 5125, 6109, 18625, 25625, 30545, 93125, 152725, 763625, 3818125]

約数ペア:

[(1, 3818125), (5, 763625), (25, 152725), (41, 93125), (125, 30545), (149, 25625), (205, 18625), (625, 6109), (745, 5125), (1025, 3725)]