173828680

素因数分解:

$2^3\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{2671}}^1$

素因数の和:4309

約数の個数: 32

約数和(自身を含む): 391501440

約数和(自身を除く): 217672760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627, 2671, 3254, 5342, 6508, 8135, 10684, 13016, 13355, 16270, 21368, 26710, 32540, 53420, 65080, 106840, 4345717, 8691434, 17382868, 21728585, 34765736, 43457170, 86914340, 173828680]

約数ペア:

[(1, 173828680), (2, 86914340), (4, 43457170), (5, 34765736), (8, 21728585), (10, 17382868), (20, 8691434), (40, 4345717), (1627, 106840), (2671, 65080), (3254, 53420), (5342, 32540), (6508, 26710), (8135, 21368), (10684, 16270), (13016, 13355)]