16193560

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{709}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 36550800

約数和(自身を除く): 20357240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 709, 1142, 1418, 2284, 2836, 2855, 3545, 4568, 5672, 5710, 7090, 11420, 14180, 22840, 28360, 404839, 809678, 1619356, 2024195, 3238712, 4048390, 8096780, 16193560]

約数ペア:

[(1, 16193560), (2, 8096780), (4, 4048390), (5, 3238712), (8, 2024195), (10, 1619356), (20, 809678), (40, 404839), (571, 28360), (709, 22840), (1142, 14180), (1418, 11420), (2284, 7090), (2836, 5710), (2855, 5672), (3545, 4568)]