51723640

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2089}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 116622000

約数和(自身を除く): 64898360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2089, 2476, 3095, 4178, 4952, 6190, 8356, 10445, 12380, 16712, 20890, 24760, 41780, 83560, 1293091, 2586182, 5172364, 6465455, 10344728, 12930910, 25861820, 51723640]

約数ペア:

[(1, 51723640), (2, 25861820), (4, 12930910), (5, 10344728), (8, 6465455), (10, 5172364), (20, 2586182), (40, 1293091), (619, 83560), (1238, 41780), (2089, 24760), (2476, 20890), (3095, 16712), (4178, 12380), (4952, 10445), (6190, 8356)]