83619920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 200344320

約数和(自身を除く): 116724400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 101, 131, 158, 202, 262, 316, 395, 404, 505, 524, 632, 655, 790, 808, 1010, 1048, 1264, 1310, 1580, 1616, 2020, 2096, 2620, 3160, 4040, 5240, 6320, 7979, 8080, 10349, 10480, 13231, 15958, 20698, 26462, 31916, 39895, 41396, 51745, 52924, 63832, 66155, 79790, 82792, 103490, 105848, 127664, 132310, 159580, 165584, 206980, 211696, 264620, 319160, 413960, 529240, 638320, 827920, 1045249, 1058480, 2090498, 4180996, 5226245, 8361992, 10452490, 16723984, 20904980, 41809960, 83619920]

約数ペア:

[(1, 83619920), (2, 41809960), (4, 20904980), (5, 16723984), (8, 10452490), (10, 8361992), (16, 5226245), (20, 4180996), (40, 2090498), (79, 1058480), (80, 1045249), (101, 827920), (131, 638320), (158, 529240), (202, 413960), (262, 319160), (316, 264620), (395, 211696), (404, 206980), (505, 165584), (524, 159580), (632, 132310), (655, 127664), (790, 105848), (808, 103490), (1010, 82792), (1048, 79790), (1264, 66155), (1310, 63832), (1580, 52924), (1616, 51745), (2020, 41396), (2096, 39895), (2620, 31916), (3160, 26462), (4040, 20698), (5240, 15958), (6320, 13231), (7979, 10480), (8080, 10349)]