1624240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 3839040

約数和(自身を除く): 2214800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 257, 316, 395, 514, 632, 790, 1028, 1264, 1285, 1580, 2056, 2570, 3160, 4112, 5140, 6320, 10280, 20303, 20560, 40606, 81212, 101515, 162424, 203030, 324848, 406060, 812120, 1624240]

約数ペア:

[(1, 1624240), (2, 812120), (4, 406060), (5, 324848), (8, 203030), (10, 162424), (16, 101515), (20, 81212), (40, 40606), (79, 20560), (80, 20303), (158, 10280), (257, 6320), (316, 5140), (395, 4112), (514, 3160), (632, 2570), (790, 2056), (1028, 1580), (1264, 1285)]