82814020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133571}}^1$

素因数の和:133611

約数の個数: 24

約数和(自身を含む): 179520768

約数和(自身を除く): 96706748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 133571, 267142, 534284, 667855, 1335710, 2671420, 4140701, 8281402, 16562804, 20703505, 41407010, 82814020]

約数ペア:

[(1, 82814020), (2, 41407010), (4, 20703505), (5, 16562804), (10, 8281402), (20, 4140701), (31, 2671420), (62, 1335710), (124, 667855), (155, 534284), (310, 267142), (620, 133571)]