25762540

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6473}}^1$

素因数の和:6681

約数の個数: 24

約数和(自身を含む): 54381600

約数和(自身を除く): 28619060

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 6473, 12946, 25892, 32365, 64730, 129460, 1288127, 2576254, 5152508, 6440635, 12881270, 25762540]

約数ペア:

[(1, 25762540), (2, 12881270), (4, 6440635), (5, 5152508), (10, 2576254), (20, 1288127), (199, 129460), (398, 64730), (796, 32365), (995, 25892), (1990, 12946), (3980, 6473)]