28673240

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2551}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 64769760

約数和(自身を除く): 36096520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2551, 2810, 5102, 5620, 10204, 11240, 12755, 20408, 25510, 51020, 102040, 716831, 1433662, 2867324, 3584155, 5734648, 7168310, 14336620, 28673240]

約数ペア:

[(1, 28673240), (2, 14336620), (4, 7168310), (5, 5734648), (8, 3584155), (10, 2867324), (20, 1433662), (40, 716831), (281, 102040), (562, 51020), (1124, 25510), (1405, 20408), (2248, 12755), (2551, 11240), (2810, 10204), (5102, 5620)]