40281320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5821}}^1$

素因数の和:6005

約数の個数: 32

約数和(自身を含む): 91172520

約数和(自身を除く): 50891200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 5821, 6920, 11642, 23284, 29105, 46568, 58210, 116420, 232840, 1007033, 2014066, 4028132, 5035165, 8056264, 10070330, 20140660, 40281320]

約数ペア:

[(1, 40281320), (2, 20140660), (4, 10070330), (5, 8056264), (8, 5035165), (10, 4028132), (20, 2014066), (40, 1007033), (173, 232840), (346, 116420), (692, 58210), (865, 46568), (1384, 29105), (1730, 23284), (3460, 11642), (5821, 6920)]