17171920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4567}}^1$

素因数の和:4627

約数の個数: 40

約数和(自身を含む): 40783104

約数和(自身を除く): 23611184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4567, 9134, 18268, 22835, 36536, 45670, 73072, 91340, 182680, 214649, 365360, 429298, 858596, 1073245, 1717192, 2146490, 3434384, 4292980, 8585960, 17171920]

約数ペア:

[(1, 17171920), (2, 8585960), (4, 4292980), (5, 3434384), (8, 2146490), (10, 1717192), (16, 1073245), (20, 858596), (40, 429298), (47, 365360), (80, 214649), (94, 182680), (188, 91340), (235, 73072), (376, 45670), (470, 36536), (752, 22835), (940, 18268), (1880, 9134), (3760, 4567)]