1330987720

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{69467}}^1$

素因数の和:69957

約数の個数: 32

約数和(自身を含む): 3001017600

約数和(自身を除く): 1670029880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9580, 19160, 69467, 138934, 277868, 347335, 555736, 694670, 1389340, 2778680, 33274693, 66549386, 133098772, 166373465, 266197544, 332746930, 665493860, 1330987720]

約数ペア:

[(1, 1330987720), (2, 665493860), (4, 332746930), (5, 266197544), (8, 166373465), (10, 133098772), (20, 66549386), (40, 33274693), (479, 2778680), (958, 1389340), (1916, 694670), (2395, 555736), (3832, 347335), (4790, 277868), (9580, 138934), (19160, 69467)]