165569840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28351}}^1$

素因数の和:28437

約数の個数: 40

約数和(自身を含む): 390236928

約数和(自身を除く): 224667088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 28351, 56702, 113404, 141755, 226808, 283510, 453616, 567020, 1134040, 2069623, 2268080, 4139246, 8278492, 10348115, 16556984, 20696230, 33113968, 41392460, 82784920, 165569840]

約数ペア:

[(1, 165569840), (2, 82784920), (4, 41392460), (5, 33113968), (8, 20696230), (10, 16556984), (16, 10348115), (20, 8278492), (40, 4139246), (73, 2268080), (80, 2069623), (146, 1134040), (292, 567020), (365, 453616), (584, 283510), (730, 226808), (1168, 141755), (1460, 113404), (2920, 56702), (5840, 28351)]