166842440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{32843}}^1$

素因数の和:32981

約数の個数: 32

約数和(自身を含む): 378362880

約数和(自身を除く): 211520440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 32843, 65686, 131372, 164215, 262744, 328430, 656860, 1313720, 4171061, 8342122, 16684244, 20855305, 33368488, 41710610, 83421220, 166842440]

約数ペア:

[(1, 166842440), (2, 83421220), (4, 41710610), (5, 33368488), (8, 20855305), (10, 16684244), (20, 8342122), (40, 4171061), (127, 1313720), (254, 656860), (508, 328430), (635, 262744), (1016, 164215), (1270, 131372), (2540, 65686), (5080, 32843)]