38901980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149623}}^1$

素因数の和:149645

約数の個数: 24

約数和(自身を含む): 87978912

約数和(自身を除く): 49076932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149623, 299246, 598492, 748115, 1496230, 1945099, 2992460, 3890198, 7780396, 9725495, 19450990, 38901980]

約数ペア:

[(1, 38901980), (2, 19450990), (4, 9725495), (5, 7780396), (10, 3890198), (13, 2992460), (20, 1945099), (26, 1496230), (52, 748115), (65, 598492), (130, 299246), (260, 149623)]