51563980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198323}}^1$

素因数の和:198345

約数の個数: 24

約数和(自身を含む): 116614512

約数和(自身を除く): 65050532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198323, 396646, 793292, 991615, 1983230, 2578199, 3966460, 5156398, 10312796, 12890995, 25781990, 51563980]

約数ペア:

[(1, 51563980), (2, 25781990), (4, 12890995), (5, 10312796), (10, 5156398), (13, 3966460), (20, 2578199), (26, 1983230), (52, 991615), (65, 793292), (130, 396646), (260, 198323)]