172901440

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1361}}^1$

素因数の和:1775

約数の個数: 56

約数和(自身を含む): 413061912

約数和(自身を除く): 240160472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 794, 1361, 1588, 1985, 2722, 3176, 3970, 5444, 6352, 6805, 7940, 10888, 12704, 13610, 15880, 21776, 25408, 27220, 31760, 43552, 54440, 63520, 87104, 108880, 127040, 217760, 435520, 540317, 1080634, 2161268, 2701585, 4322536, 5403170, 8645072, 10806340, 17290144, 21612680, 34580288, 43225360, 86450720, 172901440]

約数ペア:

[(1, 172901440), (2, 86450720), (4, 43225360), (5, 34580288), (8, 21612680), (10, 17290144), (16, 10806340), (20, 8645072), (32, 5403170), (40, 4322536), (64, 2701585), (80, 2161268), (160, 1080634), (320, 540317), (397, 435520), (794, 217760), (1361, 127040), (1588, 108880), (1985, 87104), (2722, 63520), (3176, 54440), (3970, 43552), (5444, 31760), (6352, 27220), (6805, 25408), (7940, 21776), (10888, 15880), (12704, 13610)]