2019557620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{32251}}^1$

素因数の和:32392

約数の個数: 48

約数和(自身を含む): 4421362176

約数和(自身を除く): 2401804556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 6262, 12524, 15655, 31310, 32251, 62620, 64502, 129004, 161255, 322510, 645020, 999781, 1999562, 3257351, 3999124, 4998905, 6514702, 9997810, 13029404, 16286755, 19995620, 32573510, 65147020, 100977881, 201955762, 403911524, 504889405, 1009778810, 2019557620]

約数ペア:

[(1, 2019557620), (2, 1009778810), (4, 504889405), (5, 403911524), (10, 201955762), (20, 100977881), (31, 65147020), (62, 32573510), (101, 19995620), (124, 16286755), (155, 13029404), (202, 9997810), (310, 6514702), (404, 4998905), (505, 3999124), (620, 3257351), (1010, 1999562), (2020, 999781), (3131, 645020), (6262, 322510), (12524, 161255), (15655, 129004), (31310, 64502), (32251, 62620)]