2019959080

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{117167}}^1$

素因数の和:117609

約数の個数: 32

約数和(自身を含む): 4555491840

約数和(自身を除く): 2535532760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 17240, 117167, 234334, 468668, 585835, 937336, 1171670, 2343340, 4686680, 50498977, 100997954, 201995908, 252494885, 403991816, 504989770, 1009979540, 2019959080]

約数ペア:

[(1, 2019959080), (2, 1009979540), (4, 504989770), (5, 403991816), (8, 252494885), (10, 201995908), (20, 100997954), (40, 50498977), (431, 4686680), (862, 2343340), (1724, 1171670), (2155, 937336), (3448, 585835), (4310, 468668), (8620, 234334), (17240, 117167)]