9910280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2273}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 22512600

約数和(自身を除く): 12602320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2273, 4360, 4546, 9092, 11365, 18184, 22730, 45460, 90920, 247757, 495514, 991028, 1238785, 1982056, 2477570, 4955140, 9910280]

約数ペア:

[(1, 9910280), (2, 4955140), (4, 2477570), (5, 1982056), (8, 1238785), (10, 991028), (20, 495514), (40, 247757), (109, 90920), (218, 45460), (436, 22730), (545, 18184), (872, 11365), (1090, 9092), (2180, 4546), (2273, 4360)]