2888240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 6815040

約数和(自身を除く): 3926800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 457, 632, 790, 914, 1264, 1580, 1828, 2285, 3160, 3656, 4570, 6320, 7312, 9140, 18280, 36103, 36560, 72206, 144412, 180515, 288824, 361030, 577648, 722060, 1444120, 2888240]

約数ペア:

[(1, 2888240), (2, 1444120), (4, 722060), (5, 577648), (8, 361030), (10, 288824), (16, 180515), (20, 144412), (40, 72206), (79, 36560), (80, 36103), (158, 18280), (316, 9140), (395, 7312), (457, 6320), (632, 4570), (790, 3656), (914, 3160), (1264, 2285), (1580, 1828)]