16716680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9719}}^1$

素因数の和:9773

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 21774520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9719, 19438, 38876, 48595, 77752, 97190, 194380, 388760, 417917, 835834, 1671668, 2089585, 3343336, 4179170, 8358340, 16716680]

約数ペア:

[(1, 16716680), (2, 8358340), (4, 4179170), (5, 3343336), (8, 2089585), (10, 1671668), (20, 835834), (40, 417917), (43, 388760), (86, 194380), (172, 97190), (215, 77752), (344, 48595), (430, 38876), (860, 19438), (1720, 9719)]