676240

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 1607040

約数和(自身を除く): 930800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 107, 158, 214, 316, 395, 428, 535, 632, 790, 856, 1070, 1264, 1580, 1712, 2140, 3160, 4280, 6320, 8453, 8560, 16906, 33812, 42265, 67624, 84530, 135248, 169060, 338120, 676240]

約数ペア:

[(1, 676240), (2, 338120), (4, 169060), (5, 135248), (8, 84530), (10, 67624), (16, 42265), (20, 33812), (40, 16906), (79, 8560), (80, 8453), (107, 6320), (158, 4280), (214, 3160), (316, 2140), (395, 1712), (428, 1580), (535, 1264), (632, 1070), (790, 856)]