78704020

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{14629}}^1$

素因数の和:14907

約数の個数: 24

約数和(自身を含む): 165904200

約数和(自身を除く): 87200180

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 14629, 29258, 58516, 73145, 146290, 292580, 3935201, 7870402, 15740804, 19676005, 39352010, 78704020]

約数ペア:

[(1, 78704020), (2, 39352010), (4, 19676005), (5, 15740804), (10, 7870402), (20, 3935201), (269, 292580), (538, 146290), (1076, 73145), (1345, 58516), (2690, 29258), (5380, 14629)]