12890200

素因数分解:

$2^3\times 5^2\times {\mathrm{64451}}^1$

素因数の和:64467

約数の個数: 24

約数和(自身を含む): 29970180

約数和(自身を除く): 17079980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64451, 128902, 257804, 322255, 515608, 644510, 1289020, 1611275, 2578040, 3222550, 6445100, 12890200]

約数ペア:

[(1, 12890200), (2, 6445100), (4, 3222550), (5, 2578040), (8, 1611275), (10, 1289020), (20, 644510), (25, 515608), (40, 322255), (50, 257804), (100, 128902), (200, 64451)]