79964320

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1607}}^1$

素因数の和:1933

約数の個数: 48

約数和(自身を含む): 189641088

約数和(自身を除く): 109676768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 1607, 2488, 3110, 3214, 4976, 6220, 6428, 8035, 9952, 12440, 12856, 16070, 24880, 25712, 32140, 49760, 51424, 64280, 128560, 257120, 499777, 999554, 1999108, 2498885, 3998216, 4997770, 7996432, 9995540, 15992864, 19991080, 39982160, 79964320]

約数ペア:

[(1, 79964320), (2, 39982160), (4, 19991080), (5, 15992864), (8, 9995540), (10, 7996432), (16, 4997770), (20, 3998216), (32, 2498885), (40, 1999108), (80, 999554), (160, 499777), (311, 257120), (622, 128560), (1244, 64280), (1555, 51424), (1607, 49760), (2488, 32140), (3110, 25712), (3214, 24880), (4976, 16070), (6220, 12856), (6428, 12440), (8035, 9952)]