8653720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3229}}^1$

素因数の和:3307

約数の個数: 32

約数和(自身を含む): 19767600

約数和(自身を除く): 11113880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3229, 6458, 12916, 16145, 25832, 32290, 64580, 129160, 216343, 432686, 865372, 1081715, 1730744, 2163430, 4326860, 8653720]

約数ペア:

[(1, 8653720), (2, 4326860), (4, 2163430), (5, 1730744), (8, 1081715), (10, 865372), (20, 432686), (40, 216343), (67, 129160), (134, 64580), (268, 32290), (335, 25832), (536, 16145), (670, 12916), (1340, 6458), (2680, 3229)]