42982420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165317}}^1$

素因数の和:165339

約数の個数: 24

約数和(自身を含む): 97206984

約数和(自身を除く): 54224564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 165317, 330634, 661268, 826585, 1653170, 2149121, 3306340, 4298242, 8596484, 10745605, 21491210, 42982420]

約数ペア:

[(1, 42982420), (2, 21491210), (4, 10745605), (5, 8596484), (10, 4298242), (13, 3306340), (20, 2149121), (26, 1653170), (52, 826585), (65, 661268), (130, 330634), (260, 165317)]