65165680

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2269}}^1$

素因数の和:2641

約数の個数: 40

約数和(自身を含む): 151999200

約数和(自身を除く): 86833520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2269, 2872, 3590, 4538, 5744, 7180, 9076, 11345, 14360, 18152, 22690, 28720, 36304, 45380, 90760, 181520, 814571, 1629142, 3258284, 4072855, 6516568, 8145710, 13033136, 16291420, 32582840, 65165680]

約数ペア:

[(1, 65165680), (2, 32582840), (4, 16291420), (5, 13033136), (8, 8145710), (10, 6516568), (16, 4072855), (20, 3258284), (40, 1629142), (80, 814571), (359, 181520), (718, 90760), (1436, 45380), (1795, 36304), (2269, 28720), (2872, 22690), (3590, 18152), (4538, 14360), (5744, 11345), (7180, 9076)]