2013169640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{637079}}^1$

素因数の和:637169

約数の個数: 32

約数和(自身を含む): 4586976000

約数和(自身を除く): 2573806360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 637079, 1274158, 2548316, 3185395, 5096632, 6370790, 12741580, 25483160, 50329241, 100658482, 201316964, 251646205, 402633928, 503292410, 1006584820, 2013169640]

約数ペア:

[(1, 2013169640), (2, 1006584820), (4, 503292410), (5, 402633928), (8, 251646205), (10, 201316964), (20, 100658482), (40, 50329241), (79, 25483160), (158, 12741580), (316, 6370790), (395, 5096632), (632, 3185395), (790, 2548316), (1580, 1274158), (3160, 637079)]