31479560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16061}}^1$

素因数の和:16086

約数の個数: 48

約数和(自身を含む): 82398060

約数和(自身を除く): 50918500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16061, 32122, 64244, 80305, 112427, 128488, 160610, 224854, 321220, 449708, 562135, 642440, 786989, 899416, 1124270, 1573978, 2248540, 3147956, 3934945, 4497080, 6295912, 7869890, 15739780, 31479560]

約数ペア:

[(1, 31479560), (2, 15739780), (4, 7869890), (5, 6295912), (7, 4497080), (8, 3934945), (10, 3147956), (14, 2248540), (20, 1573978), (28, 1124270), (35, 899416), (40, 786989), (49, 642440), (56, 562135), (70, 449708), (98, 321220), (140, 224854), (196, 160610), (245, 128488), (280, 112427), (392, 80305), (490, 64244), (980, 32122), (1960, 16061)]