86725780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 188455680

約数和(自身を除く): 101729900

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 163, 185, 326, 370, 652, 719, 740, 815, 1438, 1630, 2876, 3260, 3595, 6031, 7190, 12062, 14380, 24124, 26603, 30155, 53206, 60310, 106412, 117197, 120620, 133015, 234394, 266030, 468788, 532060, 585985, 1171970, 2343940, 4336289, 8672578, 17345156, 21681445, 43362890, 86725780]

約数ペア:

[(1, 86725780), (2, 43362890), (4, 21681445), (5, 17345156), (10, 8672578), (20, 4336289), (37, 2343940), (74, 1171970), (148, 585985), (163, 532060), (185, 468788), (326, 266030), (370, 234394), (652, 133015), (719, 120620), (740, 117197), (815, 106412), (1438, 60310), (1630, 53206), (2876, 30155), (3260, 26603), (3595, 24124), (6031, 14380), (7190, 12062)]