56442340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 121363200

約数和(自身を除く): 64920860

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 257, 278, 316, 395, 514, 556, 695, 790, 1028, 1285, 1390, 1580, 2570, 2780, 5140, 10981, 20303, 21962, 35723, 40606, 43924, 54905, 71446, 81212, 101515, 109810, 142892, 178615, 203030, 219620, 357230, 406060, 714460, 2822117, 5644234, 11288468, 14110585, 28221170, 56442340]

約数ペア:

[(1, 56442340), (2, 28221170), (4, 14110585), (5, 11288468), (10, 5644234), (20, 2822117), (79, 714460), (139, 406060), (158, 357230), (257, 219620), (278, 203030), (316, 178615), (395, 142892), (514, 109810), (556, 101515), (695, 81212), (790, 71446), (1028, 54905), (1285, 43924), (1390, 40606), (1580, 35723), (2570, 21962), (2780, 20303), (5140, 10981)]