1399880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 3196800

約数和(自身を除く): 1796920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 443, 632, 790, 886, 1580, 1772, 2215, 3160, 3544, 4430, 8860, 17720, 34997, 69994, 139988, 174985, 279976, 349970, 699940, 1399880]

約数ペア:

[(1, 1399880), (2, 699940), (4, 349970), (5, 279976), (8, 174985), (10, 139988), (20, 69994), (40, 34997), (79, 17720), (158, 8860), (316, 4430), (395, 3544), (443, 3160), (632, 2215), (790, 1772), (886, 1580)]