66457360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19319}}^1$

素因数の和:19375

約数の個数: 40

約数和(自身を含む): 158114880

約数和(自身を除く): 91657520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19319, 38638, 77276, 96595, 154552, 193190, 309104, 386380, 772760, 830717, 1545520, 1661434, 3322868, 4153585, 6645736, 8307170, 13291472, 16614340, 33228680, 66457360]

約数ペア:

[(1, 66457360), (2, 33228680), (4, 16614340), (5, 13291472), (8, 8307170), (10, 6645736), (16, 4153585), (20, 3322868), (40, 1661434), (43, 1545520), (80, 830717), (86, 772760), (172, 386380), (215, 309104), (344, 193190), (430, 154552), (688, 96595), (860, 77276), (1720, 38638), (3440, 19319)]