9500440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2299

約数の個数: 32

約数和(自身を含む): 21582000

約数和(自身を除く): 12081560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2179, 2180, 4358, 4360, 8716, 10895, 17432, 21790, 43580, 87160, 237511, 475022, 950044, 1187555, 1900088, 2375110, 4750220, 9500440]

約数ペア:

[(1, 9500440), (2, 4750220), (4, 2375110), (5, 1900088), (8, 1187555), (10, 950044), (20, 475022), (40, 237511), (109, 87160), (218, 43580), (436, 21790), (545, 17432), (872, 10895), (1090, 8716), (2179, 4360), (2180, 4358)]