51716680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 69588920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 233, 248, 310, 358, 466, 620, 716, 895, 932, 1165, 1240, 1432, 1790, 1864, 2330, 3580, 4660, 5549, 7160, 7223, 9320, 11098, 14446, 22196, 27745, 28892, 36115, 41707, 44392, 55490, 57784, 72230, 83414, 110980, 144460, 166828, 208535, 221960, 288920, 333656, 417070, 834140, 1292917, 1668280, 2585834, 5171668, 6464585, 10343336, 12929170, 25858340, 51716680]

約数ペア:

[(1, 51716680), (2, 25858340), (4, 12929170), (5, 10343336), (8, 6464585), (10, 5171668), (20, 2585834), (31, 1668280), (40, 1292917), (62, 834140), (124, 417070), (155, 333656), (179, 288920), (233, 221960), (248, 208535), (310, 166828), (358, 144460), (466, 110980), (620, 83414), (716, 72230), (895, 57784), (932, 55490), (1165, 44392), (1240, 41707), (1432, 36115), (1790, 28892), (1864, 27745), (2330, 22196), (3580, 14446), (4660, 11098), (5549, 9320), (7160, 7223)]