804960440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{874957}}^1$

素因数の和:874991

約数の個数: 32

約数和(自身を含む): 1889909280

約数和(自身を除く): 1084948840

約数列:

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

約数ペア:

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