20121250

素因数分解:

$2^1\times 5^4\times {\mathrm{16097}}^1$

素因数の和:16119

約数の個数: 20

約数和(自身を含む): 37717614

約数和(自身を除く): 17596364

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16097, 32194, 80485, 160970, 402425, 804850, 2012125, 4024250, 10060625, 20121250]

約数ペア:

[(1, 20121250), (2, 10060625), (5, 4024250), (10, 2012125), (25, 804850), (50, 402425), (125, 160970), (250, 80485), (625, 32194), (1250, 16097)]