85865980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3654

約数の個数: 48

約数和(自身を含む): 193669056

約数和(自身を除く): 107803076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 3557, 4828, 6035, 7114, 12070, 14228, 17785, 24140, 35570, 60469, 71140, 120938, 241876, 252547, 302345, 505094, 604690, 1010188, 1209380, 1262735, 2525470, 4293299, 5050940, 8586598, 17173196, 21466495, 42932990, 85865980]

約数ペア:

[(1, 85865980), (2, 42932990), (4, 21466495), (5, 17173196), (10, 8586598), (17, 5050940), (20, 4293299), (34, 2525470), (68, 1262735), (71, 1209380), (85, 1010188), (142, 604690), (170, 505094), (284, 302345), (340, 252547), (355, 241876), (710, 120938), (1207, 71140), (1420, 60469), (2414, 35570), (3557, 24140), (4828, 17785), (6035, 14228), (7114, 12070)]