1609920880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{874957}}^1$

素因数の和:874993

約数の個数: 40

約数和(自身を含む): 3905812512

約数和(自身を除く): 2295891632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 874957, 1749914, 3499828, 4374785, 6999656, 8749570, 13999312, 17499140, 20124011, 34998280, 40248022, 69996560, 80496044, 100620055, 160992088, 201240110, 321984176, 402480220, 804960440, 1609920880]

約数ペア:

[(1, 1609920880), (2, 804960440), (4, 402480220), (5, 321984176), (8, 201240110), (10, 160992088), (16, 100620055), (20, 80496044), (23, 69996560), (40, 40248022), (46, 34998280), (80, 20124011), (92, 17499140), (115, 13999312), (184, 8749570), (230, 6999656), (368, 4374785), (460, 3499828), (920, 1749914), (1840, 874957)]