1338520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 3049200

約数和(自身を除く): 1710680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 307, 436, 545, 614, 872, 1090, 1228, 1535, 2180, 2456, 3070, 4360, 6140, 12280, 33463, 66926, 133852, 167315, 267704, 334630, 669260, 1338520]

約数ペア:

[(1, 1338520), (2, 669260), (4, 334630), (5, 267704), (8, 167315), (10, 133852), (20, 66926), (40, 33463), (109, 12280), (218, 6140), (307, 4360), (436, 3070), (545, 2456), (614, 2180), (872, 1535), (1090, 1228)]