1330882760

素因数分解:

$2^3\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{20551}}^1$

素因数の和:22181

約数の個数: 32

約数和(自身を含む): 2996481600

約数和(自身を除く): 1665598840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619, 3238, 6476, 8095, 12952, 16190, 20551, 32380, 41102, 64760, 82204, 102755, 164408, 205510, 411020, 822040, 33272069, 66544138, 133088276, 166360345, 266176552, 332720690, 665441380, 1330882760]

約数ペア:

[(1, 1330882760), (2, 665441380), (4, 332720690), (5, 266176552), (8, 166360345), (10, 133088276), (20, 66544138), (40, 33272069), (1619, 822040), (3238, 411020), (6476, 205510), (8095, 164408), (12952, 102755), (16190, 82204), (20551, 64760), (32380, 41102)]