158208520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{54181}}^1$

素因数の和:54265

約数の個数: 32

約数和(自身を含む): 360852120

約数和(自身を除く): 202643600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 54181, 108362, 216724, 270905, 433448, 541810, 1083620, 2167240, 3955213, 7910426, 15820852, 19776065, 31641704, 39552130, 79104260, 158208520]

約数ペア:

[(1, 158208520), (2, 79104260), (4, 39552130), (5, 31641704), (8, 19776065), (10, 15820852), (20, 7910426), (40, 3955213), (73, 2167240), (146, 1083620), (292, 541810), (365, 433448), (584, 270905), (730, 216724), (1460, 108362), (2920, 54181)]