1265031640

素因数分解:

$2^3\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{20029}}^1$

素因数の和:21619

約数の個数: 32

約数和(自身を含む): 2848266000

約数和(自身を除く): 1583234360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1579, 3158, 6316, 7895, 12632, 15790, 20029, 31580, 40058, 63160, 80116, 100145, 160232, 200290, 400580, 801160, 31625791, 63251582, 126503164, 158128955, 253006328, 316257910, 632515820, 1265031640]

約数ペア:

[(1, 1265031640), (2, 632515820), (4, 316257910), (5, 253006328), (8, 158128955), (10, 126503164), (20, 63251582), (40, 31625791), (1579, 801160), (3158, 400580), (6316, 200290), (7895, 160232), (12632, 100145), (15790, 80116), (20029, 63160), (31580, 40058)]