8385580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 20381760

約数和(自身を除く): 11996180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 673, 890, 1246, 1346, 1780, 2492, 2692, 3115, 3365, 4711, 6230, 6730, 9422, 12460, 13460, 18844, 23555, 47110, 59897, 94220, 119794, 239588, 299485, 419279, 598970, 838558, 1197940, 1677116, 2096395, 4192790, 8385580]

約数ペア:

[(1, 8385580), (2, 4192790), (4, 2096395), (5, 1677116), (7, 1197940), (10, 838558), (14, 598970), (20, 419279), (28, 299485), (35, 239588), (70, 119794), (89, 94220), (140, 59897), (178, 47110), (356, 23555), (445, 18844), (623, 13460), (673, 12460), (890, 9422), (1246, 6730), (1346, 6230), (1780, 4711), (2492, 3365), (2692, 3115)]