4512920

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 10216800

約数和(自身を除く): 5703880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 439, 514, 878, 1028, 1285, 1756, 2056, 2195, 2570, 3512, 4390, 5140, 8780, 10280, 17560, 112823, 225646, 451292, 564115, 902584, 1128230, 2256460, 4512920]

約数ペア:

[(1, 4512920), (2, 2256460), (4, 1128230), (5, 902584), (8, 564115), (10, 451292), (20, 225646), (40, 112823), (257, 17560), (439, 10280), (514, 8780), (878, 5140), (1028, 4390), (1285, 3512), (1756, 2570), (2056, 2195)]