64021250

素因数分解:

$2^1\times 5^4\times {\mathrm{51217}}^1$

素因数の和:51239

約数の個数: 20

約数和(自身を含む): 120003774

約数和(自身を除く): 55982524

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 51217, 102434, 256085, 512170, 1280425, 2560850, 6402125, 12804250, 32010625, 64021250]

約数ペア:

[(1, 64021250), (2, 32010625), (5, 12804250), (10, 6402125), (25, 2560850), (50, 1280425), (125, 512170), (250, 256085), (625, 102434), (1250, 51217)]