77904880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57283}}^1$

素因数の和:57313

約数の個数: 40

約数和(自身を含む): 191786832

約数和(自身を除く): 113881952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57283, 114566, 229132, 286415, 458264, 572830, 916528, 973811, 1145660, 1947622, 2291320, 3895244, 4582640, 4869055, 7790488, 9738110, 15580976, 19476220, 38952440, 77904880]

約数ペア:

[(1, 77904880), (2, 38952440), (4, 19476220), (5, 15580976), (8, 9738110), (10, 7790488), (16, 4869055), (17, 4582640), (20, 3895244), (34, 2291320), (40, 1947622), (68, 1145660), (80, 973811), (85, 916528), (136, 572830), (170, 458264), (272, 286415), (340, 229132), (680, 114566), (1360, 57283)]