16558280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4019}}^1$

素因数の和:4133

約数の個数: 32

約数和(自身を含む): 37627200

約数和(自身を除く): 21068920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4019, 4120, 8038, 16076, 20095, 32152, 40190, 80380, 160760, 413957, 827914, 1655828, 2069785, 3311656, 4139570, 8279140, 16558280]

約数ペア:

[(1, 16558280), (2, 8279140), (4, 4139570), (5, 3311656), (8, 2069785), (10, 1655828), (20, 827914), (40, 413957), (103, 160760), (206, 80380), (412, 40190), (515, 32152), (824, 20095), (1030, 16076), (2060, 8038), (4019, 4120)]