2021926760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{11161}}^1$

素因数の和:11826

約数の個数: 64

約数和(自身を含む): 5207742720

約数和(自身を除く): 3185815960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 647, 1294, 2588, 3235, 4529, 5176, 6470, 9058, 11161, 12940, 18116, 22322, 22645, 25880, 36232, 44644, 45290, 55805, 78127, 89288, 90580, 111610, 156254, 181160, 223220, 312508, 390635, 446440, 625016, 781270, 1562540, 3125080, 7221167, 14442334, 28884668, 36105835, 50548169, 57769336, 72211670, 101096338, 144423340, 202192676, 252740845, 288846680, 404385352, 505481690, 1010963380, 2021926760]

約数ペア:

[(1, 2021926760), (2, 1010963380), (4, 505481690), (5, 404385352), (7, 288846680), (8, 252740845), (10, 202192676), (14, 144423340), (20, 101096338), (28, 72211670), (35, 57769336), (40, 50548169), (56, 36105835), (70, 28884668), (140, 14442334), (280, 7221167), (647, 3125080), (1294, 1562540), (2588, 781270), (3235, 625016), (4529, 446440), (5176, 390635), (6470, 312508), (9058, 223220), (11161, 181160), (12940, 156254), (18116, 111610), (22322, 90580), (22645, 89288), (25880, 78127), (36232, 55805), (44644, 45290)]