8259980

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1607}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 17424288

約数和(自身を除く): 9164308

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1607, 2570, 3214, 5140, 6428, 8035, 16070, 32140, 412999, 825998, 1651996, 2064995, 4129990, 8259980]

約数ペア:

[(1, 8259980), (2, 4129990), (4, 2064995), (5, 1651996), (10, 825998), (20, 412999), (257, 32140), (514, 16070), (1028, 8035), (1285, 6428), (1607, 5140), (2570, 3214)]