179966120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21323}}^1$

素因数の和:21545

約数の個数: 32

約数和(自身を含む): 406861920

約数和(自身を除く): 226895800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 21323, 42646, 85292, 106615, 170584, 213230, 426460, 852920, 4499153, 8998306, 17996612, 22495765, 35993224, 44991530, 89983060, 179966120]

約数ペア:

[(1, 179966120), (2, 89983060), (4, 44991530), (5, 35993224), (8, 22495765), (10, 17996612), (20, 8998306), (40, 4499153), (211, 852920), (422, 426460), (844, 213230), (1055, 170584), (1688, 106615), (2110, 85292), (4220, 42646), (8440, 21323)]