126291244460

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1289}}^1\times {\mathrm{20327}}^1$

素因数の和:21866

約数の個数: 48

約数和(自身を含む): 266531791680

約数和(自身を除く): 140240547220

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1289, 2410, 2578, 4820, 5156, 6445, 12890, 20327, 25780, 40654, 81308, 101635, 203270, 310649, 406540, 621298, 1242596, 1553245, 3106490, 4898807, 6212980, 9797614, 19595228, 24494035, 26201503, 48988070, 52403006, 97976140, 104806012, 131007515, 262015030, 524030060, 6314562223, 12629124446, 25258248892, 31572811115, 63145622230, 126291244460]

約数ペア:

[(1, 126291244460), (2, 63145622230), (4, 31572811115), (5, 25258248892), (10, 12629124446), (20, 6314562223), (241, 524030060), (482, 262015030), (964, 131007515), (1205, 104806012), (1289, 97976140), (2410, 52403006), (2578, 48988070), (4820, 26201503), (5156, 24494035), (6445, 19595228), (12890, 9797614), (20327, 6212980), (25780, 4898807), (40654, 3106490), (81308, 1553245), (101635, 1242596), (203270, 621298), (310649, 406540)]