25543020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2161}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 71916768

約数和(自身を除く): 46373748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2161, 2364, 2955, 3940, 4322, 5910, 6483, 8644, 10805, 11820, 12966, 21610, 25932, 32415, 43220, 64830, 129660, 425717, 851434, 1277151, 1702868, 2128585, 2554302, 4257170, 5108604, 6385755, 8514340, 12771510, 25543020]

約数ペア:

[(1, 25543020), (2, 12771510), (3, 8514340), (4, 6385755), (5, 5108604), (6, 4257170), (10, 2554302), (12, 2128585), (15, 1702868), (20, 1277151), (30, 851434), (60, 425717), (197, 129660), (394, 64830), (591, 43220), (788, 32415), (985, 25932), (1182, 21610), (1970, 12966), (2161, 11820), (2364, 10805), (2955, 8644), (3940, 6483), (4322, 5910)]