40989470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{503}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 76749120

約数和(自身を除く): 35759650

約数列:

[1, 2, 5, 10, 29, 58, 145, 281, 290, 503, 562, 1006, 1405, 2515, 2810, 5030, 8149, 14587, 16298, 29174, 40745, 72935, 81490, 141343, 145870, 282686, 706715, 1413430, 4098947, 8197894, 20494735, 40989470]

約数ペア:

[(1, 40989470), (2, 20494735), (5, 8197894), (10, 4098947), (29, 1413430), (58, 706715), (145, 282686), (281, 145870), (290, 141343), (503, 81490), (562, 72935), (1006, 40745), (1405, 29174), (2515, 16298), (2810, 14587), (5030, 8149)]