15780460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11113}}^1$

素因数の和:11193

約数の個数: 24

約数和(自身を含む): 33608736

約数和(自身を除く): 17828276

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11113, 22226, 44452, 55565, 111130, 222260, 789023, 1578046, 3156092, 3945115, 7890230, 15780460]

約数ペア:

[(1, 15780460), (2, 7890230), (4, 3945115), (5, 3156092), (10, 1578046), (20, 789023), (71, 222260), (142, 111130), (284, 55565), (355, 44452), (710, 22226), (1420, 11113)]