158291240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39181}}^1$

素因数の和:39293

約数の個数: 32

約数和(自身を含む): 359690760

約数和(自身を除く): 201399520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 39181, 78362, 156724, 195905, 313448, 391810, 783620, 1567240, 3957281, 7914562, 15829124, 19786405, 31658248, 39572810, 79145620, 158291240]

約数ペア:

[(1, 158291240), (2, 79145620), (4, 39572810), (5, 31658248), (8, 19786405), (10, 15829124), (20, 7914562), (40, 3957281), (101, 1567240), (202, 783620), (404, 391810), (505, 313448), (808, 195905), (1010, 156724), (2020, 78362), (4040, 39181)]