28979440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51749}}^1$

素因数の和:51769

約数の個数: 40

約数和(自身を含む): 77004000

約数和(自身を除く): 48024560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51749, 103498, 206996, 258745, 362243, 413992, 517490, 724486, 827984, 1034980, 1448972, 1811215, 2069960, 2897944, 3622430, 4139920, 5795888, 7244860, 14489720, 28979440]

約数ペア:

[(1, 28979440), (2, 14489720), (4, 7244860), (5, 5795888), (7, 4139920), (8, 3622430), (10, 2897944), (14, 2069960), (16, 1811215), (20, 1448972), (28, 1034980), (35, 827984), (40, 724486), (56, 517490), (70, 413992), (80, 362243), (112, 258745), (140, 206996), (280, 103498), (560, 51749)]