64617140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1151}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 155602944

約数和(自身を除く): 90985804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1151, 1604, 2005, 2302, 2807, 4010, 4604, 5614, 5755, 8020, 8057, 11228, 11510, 14035, 16114, 23020, 28070, 32228, 40285, 56140, 80570, 161140, 461551, 923102, 1846204, 2307755, 3230857, 4615510, 6461714, 9231020, 12923428, 16154285, 32308570, 64617140]

約数ペア:

[(1, 64617140), (2, 32308570), (4, 16154285), (5, 12923428), (7, 9231020), (10, 6461714), (14, 4615510), (20, 3230857), (28, 2307755), (35, 1846204), (70, 923102), (140, 461551), (401, 161140), (802, 80570), (1151, 56140), (1604, 40285), (2005, 32228), (2302, 28070), (2807, 23020), (4010, 16114), (4604, 14035), (5614, 11510), (5755, 11228), (8020, 8057)]