859402520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{1091}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 1981324800

約数和(自身を除く): 1121922280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 419, 470, 838, 940, 1091, 1676, 1880, 2095, 2182, 3352, 4190, 4364, 5455, 8380, 8728, 10910, 16760, 19693, 21820, 39386, 43640, 51277, 78772, 98465, 102554, 157544, 196930, 205108, 256385, 393860, 410216, 457129, 512770, 787720, 914258, 1025540, 1828516, 2051080, 2285645, 3657032, 4571290, 9142580, 18285160, 21485063, 42970126, 85940252, 107425315, 171880504, 214850630, 429701260, 859402520]

約数ペア:

[(1, 859402520), (2, 429701260), (4, 214850630), (5, 171880504), (8, 107425315), (10, 85940252), (20, 42970126), (40, 21485063), (47, 18285160), (94, 9142580), (188, 4571290), (235, 3657032), (376, 2285645), (419, 2051080), (470, 1828516), (838, 1025540), (940, 914258), (1091, 787720), (1676, 512770), (1880, 457129), (2095, 410216), (2182, 393860), (3352, 256385), (4190, 205108), (4364, 196930), (5455, 157544), (8380, 102554), (8728, 98465), (10910, 78772), (16760, 51277), (19693, 43640), (21820, 39386)]