205807760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2677}}^1$

素因数の和:2752

約数の個数: 60

約数和(自身を含む): 494621244

約数和(自身を除く): 288813484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2677, 3844, 4805, 5354, 7688, 9610, 10708, 13385, 15376, 19220, 21416, 26770, 38440, 42832, 53540, 76880, 82987, 107080, 165974, 214160, 331948, 414935, 663896, 829870, 1327792, 1659740, 2572597, 3319480, 5145194, 6638960, 10290388, 12862985, 20580776, 25725970, 41161552, 51451940, 102903880, 205807760]

約数ペア:

[(1, 205807760), (2, 102903880), (4, 51451940), (5, 41161552), (8, 25725970), (10, 20580776), (16, 12862985), (20, 10290388), (31, 6638960), (40, 5145194), (62, 3319480), (80, 2572597), (124, 1659740), (155, 1327792), (248, 829870), (310, 663896), (496, 414935), (620, 331948), (961, 214160), (1240, 165974), (1922, 107080), (2480, 82987), (2677, 76880), (3844, 53540), (4805, 42832), (5354, 38440), (7688, 26770), (9610, 21416), (10708, 19220), (13385, 15376)]