28694440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15263}}^1$

素因数の和:15321

約数の個数: 32

約数和(自身を含む): 65940480

約数和(自身を除く): 37246040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 15263, 30526, 61052, 76315, 122104, 152630, 305260, 610520, 717361, 1434722, 2869444, 3586805, 5738888, 7173610, 14347220, 28694440]

約数ペア:

[(1, 28694440), (2, 14347220), (4, 7173610), (5, 5738888), (8, 3586805), (10, 2869444), (20, 1434722), (40, 717361), (47, 610520), (94, 305260), (188, 152630), (235, 122104), (376, 76315), (470, 61052), (940, 30526), (1880, 15263)]