82743340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 180359424

約数和(自身を除く): 97616084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 421, 620, 634, 842, 1268, 1585, 1684, 2105, 3170, 4210, 6340, 8420, 9827, 13051, 19654, 26102, 39308, 49135, 52204, 65255, 98270, 130510, 133457, 196540, 261020, 266914, 533828, 667285, 1334570, 2669140, 4137167, 8274334, 16548668, 20685835, 41371670, 82743340]

約数ペア:

[(1, 82743340), (2, 41371670), (4, 20685835), (5, 16548668), (10, 8274334), (20, 4137167), (31, 2669140), (62, 1334570), (124, 667285), (155, 533828), (310, 266914), (317, 261020), (421, 196540), (620, 133457), (634, 130510), (842, 98270), (1268, 65255), (1585, 52204), (1684, 49135), (2105, 39308), (3170, 26102), (4210, 19654), (6340, 13051), (8420, 9827)]