28523680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 70653492

約数和(自身を除く): 42129812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 337, 368, 460, 529, 674, 736, 920, 1058, 1348, 1685, 1840, 2116, 2645, 2696, 3370, 3680, 4232, 5290, 5392, 6740, 7751, 8464, 10580, 10784, 13480, 15502, 16928, 21160, 26960, 31004, 38755, 42320, 53920, 62008, 77510, 84640, 124016, 155020, 178273, 248032, 310040, 356546, 620080, 713092, 891365, 1240160, 1426184, 1782730, 2852368, 3565460, 5704736, 7130920, 14261840, 28523680]

約数ペア:

[(1, 28523680), (2, 14261840), (4, 7130920), (5, 5704736), (8, 3565460), (10, 2852368), (16, 1782730), (20, 1426184), (23, 1240160), (32, 891365), (40, 713092), (46, 620080), (80, 356546), (92, 310040), (115, 248032), (160, 178273), (184, 155020), (230, 124016), (337, 84640), (368, 77510), (460, 62008), (529, 53920), (674, 42320), (736, 38755), (920, 31004), (1058, 26960), (1348, 21160), (1685, 16928), (1840, 15502), (2116, 13480), (2645, 10784), (2696, 10580), (3370, 8464), (3680, 7751), (4232, 6740), (5290, 5392)]