57805040

素因数分解:

$2^4\times 5^1\times {\mathrm{722563}}^1$

素因数の和:722576

約数の個数: 20

約数和(自身を含む): 134396904

約数和(自身を除く): 76591864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 722563, 1445126, 2890252, 3612815, 5780504, 7225630, 11561008, 14451260, 28902520, 57805040]

約数ペア:

[(1, 57805040), (2, 28902520), (4, 14451260), (5, 11561008), (8, 7225630), (10, 5780504), (16, 3612815), (20, 2890252), (40, 1445126), (80, 722563)]