28376720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7547}}^1$

素因数の和:7607

約数の個数: 40

約数和(自身を含む): 67388544

約数和(自身を除く): 39011824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 7547, 15094, 30188, 37735, 60376, 75470, 120752, 150940, 301880, 354709, 603760, 709418, 1418836, 1773545, 2837672, 3547090, 5675344, 7094180, 14188360, 28376720]

約数ペア:

[(1, 28376720), (2, 14188360), (4, 7094180), (5, 5675344), (8, 3547090), (10, 2837672), (16, 1773545), (20, 1418836), (40, 709418), (47, 603760), (80, 354709), (94, 301880), (188, 150940), (235, 120752), (376, 75470), (470, 60376), (752, 37735), (940, 30188), (1880, 15094), (3760, 7547)]