84748640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12919}}^1$

素因数の和:12975

約数の個数: 48

約数和(自身を含む): 205117920

約数和(自身を除く): 120369280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12919, 25838, 51676, 64595, 103352, 129190, 206704, 258380, 413408, 516760, 529679, 1033520, 1059358, 2067040, 2118716, 2648395, 4237432, 5296790, 8474864, 10593580, 16949728, 21187160, 42374320, 84748640]

約数ペア:

[(1, 84748640), (2, 42374320), (4, 21187160), (5, 16949728), (8, 10593580), (10, 8474864), (16, 5296790), (20, 4237432), (32, 2648395), (40, 2118716), (41, 2067040), (80, 1059358), (82, 1033520), (160, 529679), (164, 516760), (205, 413408), (328, 258380), (410, 206704), (656, 129190), (820, 103352), (1312, 64595), (1640, 51676), (3280, 25838), (6560, 12919)]