1289594060

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{395581}}^1$

素因数の和:395753

約数の個数: 24

約数和(自身を含む): 2724768816

約数和(自身を除く): 1435174756

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 395581, 791162, 1582324, 1977905, 3955810, 7911620, 64479703, 128959406, 257918812, 322398515, 644797030, 1289594060]

約数ペア:

[(1, 1289594060), (2, 644797030), (4, 322398515), (5, 257918812), (10, 128959406), (20, 64479703), (163, 7911620), (326, 3955810), (652, 1977905), (815, 1582324), (1630, 791162), (3260, 395581)]