80800880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1051}}^1$

素因数の和:1126

約数の個数: 60

約数和(自身を含む): 194302296

約数和(自身を除く): 113501416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1051, 1240, 1922, 2102, 2480, 3844, 4204, 4805, 5255, 7688, 8408, 9610, 10510, 15376, 16816, 19220, 21020, 32581, 38440, 42040, 65162, 76880, 84080, 130324, 162905, 260648, 325810, 521296, 651620, 1010011, 1303240, 2020022, 2606480, 4040044, 5050055, 8080088, 10100110, 16160176, 20200220, 40400440, 80800880]

約数ペア:

[(1, 80800880), (2, 40400440), (4, 20200220), (5, 16160176), (8, 10100110), (10, 8080088), (16, 5050055), (20, 4040044), (31, 2606480), (40, 2020022), (62, 1303240), (80, 1010011), (124, 651620), (155, 521296), (248, 325810), (310, 260648), (496, 162905), (620, 130324), (961, 84080), (1051, 76880), (1240, 65162), (1922, 42040), (2102, 38440), (2480, 32581), (3844, 21020), (4204, 19220), (4805, 16816), (5255, 15376), (7688, 10510), (8408, 9610)]