5205980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20023}}^1$

素因数の和:20045

約数の個数: 24

約数和(自身を含む): 11774112

約数和(自身を除く): 6568132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20023, 40046, 80092, 100115, 200230, 260299, 400460, 520598, 1041196, 1301495, 2602990, 5205980]

約数ペア:

[(1, 5205980), (2, 2602990), (4, 1301495), (5, 1041196), (10, 520598), (13, 400460), (20, 260299), (26, 200230), (52, 100115), (65, 80092), (130, 40046), (260, 20023)]