40528360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23563}}^1$

素因数の和:23617

約数の個数: 32

約数和(自身を含む): 93313440

約数和(自身を除く): 52785080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23563, 47126, 94252, 117815, 188504, 235630, 471260, 942520, 1013209, 2026418, 4052836, 5066045, 8105672, 10132090, 20264180, 40528360]

約数ペア:

[(1, 40528360), (2, 20264180), (4, 10132090), (5, 8105672), (8, 5066045), (10, 4052836), (20, 2026418), (40, 1013209), (43, 942520), (86, 471260), (172, 235630), (215, 188504), (344, 117815), (430, 94252), (860, 47126), (1720, 23563)]