40269620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64951}}^1$

素因数の和:64991

約数の個数: 24

約数和(自身を含む): 87295488

約数和(自身を除く): 47025868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 64951, 129902, 259804, 324755, 649510, 1299020, 2013481, 4026962, 8053924, 10067405, 20134810, 40269620]

約数ペア:

[(1, 40269620), (2, 20134810), (4, 10067405), (5, 8053924), (10, 4026962), (20, 2013481), (31, 1299020), (62, 649510), (124, 324755), (155, 259804), (310, 129902), (620, 64951)]