268851160

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{10453}}^1$

素因数の和:11107

約数の個数: 32

約数和(自身を含む): 605913840

約数和(自身を除く): 337062680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 10453, 12860, 20906, 25720, 41812, 52265, 83624, 104530, 209060, 418120, 6721279, 13442558, 26885116, 33606395, 53770232, 67212790, 134425580, 268851160]

約数ペア:

[(1, 268851160), (2, 134425580), (4, 67212790), (5, 53770232), (8, 33606395), (10, 26885116), (20, 13442558), (40, 6721279), (643, 418120), (1286, 209060), (2572, 104530), (3215, 83624), (5144, 52265), (6430, 41812), (10453, 25720), (12860, 20906)]