71115820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{13121}}^1$

素因数の和:13401

約数の個数: 24

約数和(自身を含む): 149905728

約数和(自身を除く): 78789908

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 13121, 26242, 52484, 65605, 131210, 262420, 3555791, 7111582, 14223164, 17778955, 35557910, 71115820]

約数ペア:

[(1, 71115820), (2, 35557910), (4, 17778955), (5, 14223164), (10, 7111582), (20, 3555791), (271, 262420), (542, 131210), (1084, 65605), (1355, 52484), (2710, 26242), (5420, 13121)]