80859440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53197}}^1$

素因数の和:53229

約数の個数: 40

約数和(自身を含む): 197896560

約数和(自身を除く): 117037120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 53197, 106394, 212788, 265985, 425576, 531970, 851152, 1010743, 1063940, 2021486, 2127880, 4042972, 4255760, 5053715, 8085944, 10107430, 16171888, 20214860, 40429720, 80859440]

約数ペア:

[(1, 80859440), (2, 40429720), (4, 20214860), (5, 16171888), (8, 10107430), (10, 8085944), (16, 5053715), (19, 4255760), (20, 4042972), (38, 2127880), (40, 2021486), (76, 1063940), (80, 1010743), (95, 851152), (152, 531970), (190, 425576), (304, 265985), (380, 212788), (760, 106394), (1520, 53197)]