2019707080

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{26987}}^1$

素因数の和:28869

約数の個数: 32

約数和(自身を含む): 4546938240

約数和(自身を除く): 2527231160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 7484, 9355, 14968, 18710, 26987, 37420, 53974, 74840, 107948, 134935, 215896, 269870, 539740, 1079480, 50492677, 100985354, 201970708, 252463385, 403941416, 504926770, 1009853540, 2019707080]

約数ペア:

[(1, 2019707080), (2, 1009853540), (4, 504926770), (5, 403941416), (8, 252463385), (10, 201970708), (20, 100985354), (40, 50492677), (1871, 1079480), (3742, 539740), (7484, 269870), (9355, 215896), (14968, 134935), (18710, 107948), (26987, 74840), (37420, 53974)]