1585389620

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{41051}}^1$

素因数の和:42991

約数の個数: 24

約数和(自身を含む): 3331123488

約数和(自身を除く): 1745733868

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7724, 9655, 19310, 38620, 41051, 82102, 164204, 205255, 410510, 821020, 79269481, 158538962, 317077924, 396347405, 792694810, 1585389620]

約数ペア:

[(1, 1585389620), (2, 792694810), (4, 396347405), (5, 317077924), (10, 158538962), (20, 79269481), (1931, 821020), (3862, 410510), (7724, 205255), (9655, 164204), (19310, 82102), (38620, 41051)]