28444760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2767}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 64272960

約数和(自身を除く): 35828200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2767, 5140, 5534, 10280, 11068, 13835, 22136, 27670, 55340, 110680, 711119, 1422238, 2844476, 3555595, 5688952, 7111190, 14222380, 28444760]

約数ペア:

[(1, 28444760), (2, 14222380), (4, 7111190), (5, 5688952), (8, 3555595), (10, 2844476), (20, 1422238), (40, 711119), (257, 110680), (514, 55340), (1028, 27670), (1285, 22136), (2056, 13835), (2570, 11068), (2767, 10280), (5140, 5534)]