80011180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 179292960

約数和(自身を除く): 99281780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 1693, 2363, 2780, 3386, 4726, 6772, 8465, 9452, 11815, 16930, 23630, 28781, 33860, 47260, 57562, 115124, 143905, 235327, 287810, 470654, 575620, 941308, 1176635, 2353270, 4000559, 4706540, 8001118, 16002236, 20002795, 40005590, 80011180]

約数ペア:

[(1, 80011180), (2, 40005590), (4, 20002795), (5, 16002236), (10, 8001118), (17, 4706540), (20, 4000559), (34, 2353270), (68, 1176635), (85, 941308), (139, 575620), (170, 470654), (278, 287810), (340, 235327), (556, 143905), (695, 115124), (1390, 57562), (1693, 47260), (2363, 33860), (2780, 28781), (3386, 23630), (4726, 16930), (6772, 11815), (8465, 9452)]