29720560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19553}}^1$

素因数の和:19585

約数の個数: 40

約数和(自身を含む): 72740880

約数和(自身を除く): 43020320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19553, 39106, 78212, 97765, 156424, 195530, 312848, 371507, 391060, 743014, 782120, 1486028, 1564240, 1857535, 2972056, 3715070, 5944112, 7430140, 14860280, 29720560]

約数ペア:

[(1, 29720560), (2, 14860280), (4, 7430140), (5, 5944112), (8, 3715070), (10, 2972056), (16, 1857535), (19, 1564240), (20, 1486028), (38, 782120), (40, 743014), (76, 391060), (80, 371507), (95, 312848), (152, 195530), (190, 156424), (304, 97765), (380, 78212), (760, 39106), (1520, 19553)]