80079760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23279}}^1$

素因数の和:23335

約数の個数: 40

約数和(自身を含む): 190523520

約数和(自身を除く): 110443760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 23279, 46558, 93116, 116395, 186232, 232790, 372464, 465580, 931160, 1000997, 1862320, 2001994, 4003988, 5004985, 8007976, 10009970, 16015952, 20019940, 40039880, 80079760]

約数ペア:

[(1, 80079760), (2, 40039880), (4, 20019940), (5, 16015952), (8, 10009970), (10, 8007976), (16, 5004985), (20, 4003988), (40, 2001994), (43, 1862320), (80, 1000997), (86, 931160), (172, 465580), (215, 372464), (344, 232790), (430, 186232), (688, 116395), (860, 93116), (1720, 46558), (3440, 23279)]