65495440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17419}}^1$

素因数の和:17479

約数の個数: 40

約数和(自身を含む): 155525760

約数和(自身を除く): 90030320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17419, 34838, 69676, 87095, 139352, 174190, 278704, 348380, 696760, 818693, 1393520, 1637386, 3274772, 4093465, 6549544, 8186930, 13099088, 16373860, 32747720, 65495440]

約数ペア:

[(1, 65495440), (2, 32747720), (4, 16373860), (5, 13099088), (8, 8186930), (10, 6549544), (16, 4093465), (20, 3274772), (40, 1637386), (47, 1393520), (80, 818693), (94, 696760), (188, 348380), (235, 278704), (376, 174190), (470, 139352), (752, 87095), (940, 69676), (1880, 34838), (3760, 17419)]