40871260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49843}}^1$

素因数の和:49893

約数の個数: 24

約数和(自身を含む): 87924816

約数和(自身を除く): 47053556

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49843, 99686, 199372, 249215, 498430, 996860, 2043563, 4087126, 8174252, 10217815, 20435630, 40871260]

約数ペア:

[(1, 40871260), (2, 20435630), (4, 10217815), (5, 8174252), (10, 4087126), (20, 2043563), (41, 996860), (82, 498430), (164, 249215), (205, 199372), (410, 99686), (820, 49843)]