64654940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5189}}^1$

素因数の和:5294

約数の個数: 48

約数和(自身を含む): 156945600

約数和(自身を除く): 92290660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 5189, 6230, 10378, 12460, 20756, 25945, 36323, 51890, 72646, 103780, 145292, 181615, 363230, 461821, 726460, 923642, 1847284, 2309105, 3232747, 4618210, 6465494, 9236420, 12930988, 16163735, 32327470, 64654940]

約数ペア:

[(1, 64654940), (2, 32327470), (4, 16163735), (5, 12930988), (7, 9236420), (10, 6465494), (14, 4618210), (20, 3232747), (28, 2309105), (35, 1847284), (70, 923642), (89, 726460), (140, 461821), (178, 363230), (356, 181615), (445, 145292), (623, 103780), (890, 72646), (1246, 51890), (1780, 36323), (2492, 25945), (3115, 20756), (5189, 12460), (6230, 10378)]