12858320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1767

約数の個数: 40

約数和(自身を含む): 30222024

約数和(自身を除く): 17363704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1657, 1940, 3314, 3880, 6628, 7760, 8285, 13256, 16570, 26512, 33140, 66280, 132560, 160729, 321458, 642916, 803645, 1285832, 1607290, 2571664, 3214580, 6429160, 12858320]

約数ペア:

[(1, 12858320), (2, 6429160), (4, 3214580), (5, 2571664), (8, 1607290), (10, 1285832), (16, 803645), (20, 642916), (40, 321458), (80, 160729), (97, 132560), (194, 66280), (388, 33140), (485, 26512), (776, 16570), (970, 13256), (1552, 8285), (1657, 7760), (1940, 6628), (3314, 3880)]