86007640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 201600000

約数和(自身を除く): 115592360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 499, 556, 620, 695, 998, 1112, 1240, 1390, 1996, 2495, 2780, 3992, 4309, 4990, 5560, 8618, 9980, 15469, 17236, 19960, 21545, 30938, 34472, 43090, 61876, 69361, 77345, 86180, 123752, 138722, 154690, 172360, 277444, 309380, 346805, 554888, 618760, 693610, 1387220, 2150191, 2774440, 4300382, 8600764, 10750955, 17201528, 21501910, 43003820, 86007640]

約数ペア:

[(1, 86007640), (2, 43003820), (4, 21501910), (5, 17201528), (8, 10750955), (10, 8600764), (20, 4300382), (31, 2774440), (40, 2150191), (62, 1387220), (124, 693610), (139, 618760), (155, 554888), (248, 346805), (278, 309380), (310, 277444), (499, 172360), (556, 154690), (620, 138722), (695, 123752), (998, 86180), (1112, 77345), (1240, 69361), (1390, 61876), (1996, 43090), (2495, 34472), (2780, 30938), (3992, 21545), (4309, 19960), (4990, 17236), (5560, 15469), (8618, 9980)]