113399480

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4409}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 255603600

約数和(自身を除く): 142204120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 4409, 5144, 6430, 8818, 12860, 17636, 22045, 25720, 35272, 44090, 88180, 176360, 2834987, 5669974, 11339948, 14174935, 22679896, 28349870, 56699740, 113399480]

約数ペア:

[(1, 113399480), (2, 56699740), (4, 28349870), (5, 22679896), (8, 14174935), (10, 11339948), (20, 5669974), (40, 2834987), (643, 176360), (1286, 88180), (2572, 44090), (3215, 35272), (4409, 25720), (5144, 22045), (6430, 17636), (8818, 12860)]