28201620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3701}}^1$

素因数の和:3840

約数の個数: 48

約数和(自身を含む): 79607808

約数和(自身を除く): 51406188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3701, 3810, 7402, 7620, 11103, 14804, 18505, 22206, 37010, 44412, 55515, 74020, 111030, 222060, 470027, 940054, 1410081, 1880108, 2350135, 2820162, 4700270, 5640324, 7050405, 9400540, 14100810, 28201620]

約数ペア:

[(1, 28201620), (2, 14100810), (3, 9400540), (4, 7050405), (5, 5640324), (6, 4700270), (10, 2820162), (12, 2350135), (15, 1880108), (20, 1410081), (30, 940054), (60, 470027), (127, 222060), (254, 111030), (381, 74020), (508, 55515), (635, 44412), (762, 37010), (1270, 22206), (1524, 18505), (1905, 14804), (2540, 11103), (3701, 7620), (3810, 7402)]