4451380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 9424800

約数和(自身を除く): 4973420

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1699, 2620, 3398, 6796, 8495, 16990, 33980, 222569, 445138, 890276, 1112845, 2225690, 4451380]

約数ペア:

[(1, 4451380), (2, 2225690), (4, 1112845), (5, 890276), (10, 445138), (20, 222569), (131, 33980), (262, 16990), (524, 8495), (655, 6796), (1310, 3398), (1699, 2620)]