40245680

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1033}}^1$

素因数の和:1533

約数の個数: 40

約数和(自身を含む): 93854112

約数和(自身を除く): 53608432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1033, 1948, 2066, 2435, 3896, 4132, 4870, 5165, 7792, 8264, 9740, 10330, 16528, 19480, 20660, 38960, 41320, 82640, 503071, 1006142, 2012284, 2515355, 4024568, 5030710, 8049136, 10061420, 20122840, 40245680]

約数ペア:

[(1, 40245680), (2, 20122840), (4, 10061420), (5, 8049136), (8, 5030710), (10, 4024568), (16, 2515355), (20, 2012284), (40, 1006142), (80, 503071), (487, 82640), (974, 41320), (1033, 38960), (1948, 20660), (2066, 19480), (2435, 16528), (3896, 10330), (4132, 9740), (4870, 8264), (5165, 7792)]