73918520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142151}}^1$

素因数の和:142175

約数の個数: 32

約数和(自身を含む): 179111520

約数和(自身を除く): 105193000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142151, 284302, 568604, 710755, 1137208, 1421510, 1847963, 2843020, 3695926, 5686040, 7391852, 9239815, 14783704, 18479630, 36959260, 73918520]

約数ペア:

[(1, 73918520), (2, 36959260), (4, 18479630), (5, 14783704), (8, 9239815), (10, 7391852), (13, 5686040), (20, 3695926), (26, 2843020), (40, 1847963), (52, 1421510), (65, 1137208), (104, 710755), (130, 568604), (260, 284302), (520, 142151)]