258045160

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{46411}}^1$

素因数の和:46561

約数の個数: 32

約数和(自身を含む): 584791200

約数和(自身を除く): 326746040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 46411, 92822, 185644, 232055, 371288, 464110, 928220, 1856440, 6451129, 12902258, 25804516, 32255645, 51609032, 64511290, 129022580, 258045160]

約数ペア:

[(1, 258045160), (2, 129022580), (4, 64511290), (5, 51609032), (8, 32255645), (10, 25804516), (20, 12902258), (40, 6451129), (139, 1856440), (278, 928220), (556, 464110), (695, 371288), (1112, 232055), (1390, 185644), (2780, 92822), (5560, 46411)]