860080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 2156112

約数和(自身を除く): 1296032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 827, 1040, 1654, 3308, 4135, 6616, 8270, 10751, 13232, 16540, 21502, 33080, 43004, 53755, 66160, 86008, 107510, 172016, 215020, 430040, 860080]

約数ペア:

[(1, 860080), (2, 430040), (4, 215020), (5, 172016), (8, 107510), (10, 86008), (13, 66160), (16, 53755), (20, 43004), (26, 33080), (40, 21502), (52, 16540), (65, 13232), (80, 10751), (104, 8270), (130, 6616), (208, 4135), (260, 3308), (520, 1654), (827, 1040)]