2890640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1607

約数の個数: 40

約数和(自身を含む): 7017408

約数和(自身を除く): 4126768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1571, 1840, 3142, 6284, 7855, 12568, 15710, 25136, 31420, 36133, 62840, 72266, 125680, 144532, 180665, 289064, 361330, 578128, 722660, 1445320, 2890640]

約数ペア:

[(1, 2890640), (2, 1445320), (4, 722660), (5, 578128), (8, 361330), (10, 289064), (16, 180665), (20, 144532), (23, 125680), (40, 72266), (46, 62840), (80, 36133), (92, 31420), (115, 25136), (184, 15710), (230, 12568), (368, 7855), (460, 6284), (920, 3142), (1571, 1840)]