89680840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 207345600

約数和(自身を除く): 117664760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 109, 134, 218, 268, 307, 335, 436, 536, 545, 614, 670, 872, 1090, 1228, 1340, 1535, 2180, 2456, 2680, 3070, 4360, 6140, 7303, 12280, 14606, 20569, 29212, 33463, 36515, 41138, 58424, 66926, 73030, 82276, 102845, 133852, 146060, 164552, 167315, 205690, 267704, 292120, 334630, 411380, 669260, 822760, 1338520, 2242021, 4484042, 8968084, 11210105, 17936168, 22420210, 44840420, 89680840]

約数ペア:

[(1, 89680840), (2, 44840420), (4, 22420210), (5, 17936168), (8, 11210105), (10, 8968084), (20, 4484042), (40, 2242021), (67, 1338520), (109, 822760), (134, 669260), (218, 411380), (268, 334630), (307, 292120), (335, 267704), (436, 205690), (536, 167315), (545, 164552), (614, 146060), (670, 133852), (872, 102845), (1090, 82276), (1228, 73030), (1340, 66926), (1535, 58424), (2180, 41138), (2456, 36515), (2680, 33463), (3070, 29212), (4360, 20569), (6140, 14606), (7303, 12280)]