2005198520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{296627}}^1$

素因数の和:296664

約数の個数: 48

約数和(自身を含む): 4885463160

約数和(自身を除く): 2880264640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 296627, 593254, 1186508, 1483135, 2373016, 2966270, 3856151, 5932540, 7712302, 11865080, 15424604, 19280755, 30849208, 38561510, 50129963, 77123020, 100259926, 154246040, 200519852, 250649815, 401039704, 501299630, 1002599260, 2005198520]

約数ペア:

[(1, 2005198520), (2, 1002599260), (4, 501299630), (5, 401039704), (8, 250649815), (10, 200519852), (13, 154246040), (20, 100259926), (26, 77123020), (40, 50129963), (52, 38561510), (65, 30849208), (104, 19280755), (130, 15424604), (169, 11865080), (260, 7712302), (338, 5932540), (520, 3856151), (676, 2966270), (845, 2373016), (1352, 1483135), (1690, 1186508), (3380, 593254), (6760, 296627)]