996816680

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{22073}}^1$

素因数の和:23213

約数の個数: 32

約数和(自身を含む): 2244925800

約数和(自身を除く): 1248109120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 2258, 4516, 5645, 9032, 11290, 22073, 22580, 44146, 45160, 88292, 110365, 176584, 220730, 441460, 882920, 24920417, 49840834, 99681668, 124602085, 199363336, 249204170, 498408340, 996816680]

約数ペア:

[(1, 996816680), (2, 498408340), (4, 249204170), (5, 199363336), (8, 124602085), (10, 99681668), (20, 49840834), (40, 24920417), (1129, 882920), (2258, 441460), (4516, 220730), (5645, 176584), (9032, 110365), (11290, 88292), (22073, 45160), (22580, 44146)]