80562380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 172773216

約数和(自身を除く): 92210836

約数列:

[1, 2, 4, 5, 10, 20, 97, 131, 194, 262, 317, 388, 485, 524, 634, 655, 970, 1268, 1310, 1585, 1940, 2620, 3170, 6340, 12707, 25414, 30749, 41527, 50828, 61498, 63535, 83054, 122996, 127070, 153745, 166108, 207635, 254140, 307490, 415270, 614980, 830540, 4028119, 8056238, 16112476, 20140595, 40281190, 80562380]

約数ペア:

[(1, 80562380), (2, 40281190), (4, 20140595), (5, 16112476), (10, 8056238), (20, 4028119), (97, 830540), (131, 614980), (194, 415270), (262, 307490), (317, 254140), (388, 207635), (485, 166108), (524, 153745), (634, 127070), (655, 122996), (970, 83054), (1268, 63535), (1310, 61498), (1585, 50828), (1940, 41527), (2620, 30749), (3170, 25414), (6340, 12707)]