630442720

素因数分解:

$2^5\times 5^1\times {\mathrm{3940267}}^1$

素因数の和:3940282

約数の個数: 24

約数和(自身を含む): 1489421304

約数和(自身を除く): 858978584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3940267, 7880534, 15761068, 19701335, 31522136, 39402670, 63044272, 78805340, 126088544, 157610680, 315221360, 630442720]

約数ペア:

[(1, 630442720), (2, 315221360), (4, 157610680), (5, 126088544), (8, 78805340), (10, 63044272), (16, 39402670), (20, 31522136), (32, 19701335), (40, 15761068), (80, 7880534), (160, 3940267)]