42128120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7577}}^1$

素因数の和:7727

約数の個数: 32

約数和(自身を含む): 95482800

約数和(自身を除く): 53354680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7577, 15154, 30308, 37885, 60616, 75770, 151540, 303080, 1053203, 2106406, 4212812, 5266015, 8425624, 10532030, 21064060, 42128120]

約数ペア:

[(1, 42128120), (2, 21064060), (4, 10532030), (5, 8425624), (8, 5266015), (10, 4212812), (20, 2106406), (40, 1053203), (139, 303080), (278, 151540), (556, 75770), (695, 60616), (1112, 37885), (1390, 30308), (2780, 15154), (5560, 7577)]