1920880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1873

約数の個数: 40

約数和(自身を含む): 4812192

約数和(自身を除く): 2891312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1847, 3694, 7388, 9235, 14776, 18470, 24011, 29552, 36940, 48022, 73880, 96044, 120055, 147760, 192088, 240110, 384176, 480220, 960440, 1920880]

約数ペア:

[(1, 1920880), (2, 960440), (4, 480220), (5, 384176), (8, 240110), (10, 192088), (13, 147760), (16, 120055), (20, 96044), (26, 73880), (40, 48022), (52, 36940), (65, 29552), (80, 24011), (104, 18470), (130, 14776), (208, 9235), (260, 7388), (520, 3694), (1040, 1847)]