2837680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 6696000

約数和(自身を除く): 3858320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 449, 632, 790, 898, 1264, 1580, 1796, 2245, 3160, 3592, 4490, 6320, 7184, 8980, 17960, 35471, 35920, 70942, 141884, 177355, 283768, 354710, 567536, 709420, 1418840, 2837680]

約数ペア:

[(1, 2837680), (2, 1418840), (4, 709420), (5, 567536), (8, 354710), (10, 283768), (16, 177355), (20, 141884), (40, 70942), (79, 35920), (80, 35471), (158, 17960), (316, 8980), (395, 7184), (449, 6320), (632, 4490), (790, 3592), (898, 3160), (1264, 2245), (1580, 1796)]