16123900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 38400320

約数和(自身を除く): 22276420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 157, 158, 260, 314, 316, 325, 395, 628, 650, 785, 790, 1027, 1300, 1570, 1580, 1975, 2041, 2054, 3140, 3925, 3950, 4082, 4108, 5135, 7850, 7900, 8164, 10205, 10270, 12403, 15700, 20410, 20540, 24806, 25675, 40820, 49612, 51025, 51350, 62015, 102050, 102700, 124030, 161239, 204100, 248060, 310075, 322478, 620150, 644956, 806195, 1240300, 1612390, 3224780, 4030975, 8061950, 16123900]

約数ペア:

[(1, 16123900), (2, 8061950), (4, 4030975), (5, 3224780), (10, 1612390), (13, 1240300), (20, 806195), (25, 644956), (26, 620150), (50, 322478), (52, 310075), (65, 248060), (79, 204100), (100, 161239), (130, 124030), (157, 102700), (158, 102050), (260, 62015), (314, 51350), (316, 51025), (325, 49612), (395, 40820), (628, 25675), (650, 24806), (785, 20540), (790, 20410), (1027, 15700), (1300, 12403), (1570, 10270), (1580, 10205), (1975, 8164), (2041, 7900), (2054, 7850), (3140, 5135), (3925, 4108), (3950, 4082)]