72872120

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{10909}}^1$

素因数の和:11087

約数の個数: 32

約数和(自身を含む): 164959200

約数和(自身を除く): 92087080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 10909, 21818, 43636, 54545, 87272, 109090, 218180, 436360, 1821803, 3643606, 7287212, 9109015, 14574424, 18218030, 36436060, 72872120]

約数ペア:

[(1, 72872120), (2, 36436060), (4, 18218030), (5, 14574424), (8, 9109015), (10, 7287212), (20, 3643606), (40, 1821803), (167, 436360), (334, 218180), (668, 109090), (835, 87272), (1336, 54545), (1670, 43636), (3340, 21818), (6680, 10909)]