130724144

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{103421}}^1$

素因数の和:103508

約数の個数: 20

約数和(自身を含む): 256486560

約数和(自身を除く): 125762416

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 103421, 206842, 413684, 827368, 1654736, 8170259, 16340518, 32681036, 65362072, 130724144]

約数ペア:

[(1, 130724144), (2, 65362072), (4, 32681036), (8, 16340518), (16, 8170259), (79, 1654736), (158, 827368), (316, 413684), (632, 206842), (1264, 103421)]