41809960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 96940800

約数和(自身を除く): 55130840

約数列:

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

約数ペア:

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