39174280

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2011}}^1$

素因数の和:2509

約数の個数: 32

約数和(自身を含む): 88367040

約数和(自身を除く): 49192760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2011, 2435, 3896, 4022, 4870, 8044, 9740, 10055, 16088, 19480, 20110, 40220, 80440, 979357, 1958714, 3917428, 4896785, 7834856, 9793570, 19587140, 39174280]

約数ペア:

[(1, 39174280), (2, 19587140), (4, 9793570), (5, 7834856), (8, 4896785), (10, 3917428), (20, 1958714), (40, 979357), (487, 80440), (974, 40220), (1948, 20110), (2011, 19480), (2435, 16088), (3896, 10055), (4022, 9740), (4870, 8044)]