61072040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35507}}^1$

素因数の和:35561

約数の個数: 32

約数和(自身を含む): 140611680

約数和(自身を除く): 79539640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 35507, 71014, 142028, 177535, 284056, 355070, 710140, 1420280, 1526801, 3053602, 6107204, 7634005, 12214408, 15268010, 30536020, 61072040]

約数ペア:

[(1, 61072040), (2, 30536020), (4, 15268010), (5, 12214408), (8, 7634005), (10, 6107204), (20, 3053602), (40, 1526801), (43, 1420280), (86, 710140), (172, 355070), (215, 284056), (344, 177535), (430, 142028), (860, 71014), (1720, 35507)]