28546760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64879}}^1$

素因数の和:64901

約数の個数: 32

約数和(自身を含む): 70070400

約数和(自身を除く): 41523640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64879, 129758, 259516, 324395, 519032, 648790, 713669, 1297580, 1427338, 2595160, 2854676, 3568345, 5709352, 7136690, 14273380, 28546760]

約数ペア:

[(1, 28546760), (2, 14273380), (4, 7136690), (5, 5709352), (8, 3568345), (10, 2854676), (11, 2595160), (20, 1427338), (22, 1297580), (40, 713669), (44, 648790), (55, 519032), (88, 324395), (110, 259516), (220, 129758), (440, 64879)]