80811040

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3217}}^1$

素因数の和:3389

約数の個数: 48

約数和(自身を含む): 192191832

約数和(自身を除く): 111380792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 3217, 5024, 6280, 6434, 12560, 12868, 16085, 25120, 25736, 32170, 51472, 64340, 102944, 128680, 257360, 505069, 514720, 1010138, 2020276, 2525345, 4040552, 5050690, 8081104, 10101380, 16162208, 20202760, 40405520, 80811040]

約数ペア:

[(1, 80811040), (2, 40405520), (4, 20202760), (5, 16162208), (8, 10101380), (10, 8081104), (16, 5050690), (20, 4040552), (32, 2525345), (40, 2020276), (80, 1010138), (157, 514720), (160, 505069), (314, 257360), (628, 128680), (785, 102944), (1256, 64340), (1570, 51472), (2512, 32170), (3140, 25736), (3217, 25120), (5024, 16085), (6280, 12868), (6434, 12560)]