64982560

素因数分解:

$2^5\times 5^1\times {\mathrm{461}}^1\times {\mathrm{881}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 154028952

約数和(自身を除く): 89046392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 461, 881, 922, 1762, 1844, 2305, 3524, 3688, 4405, 4610, 7048, 7376, 8810, 9220, 14096, 14752, 17620, 18440, 28192, 35240, 36880, 70480, 73760, 140960, 406141, 812282, 1624564, 2030705, 3249128, 4061410, 6498256, 8122820, 12996512, 16245640, 32491280, 64982560]

約数ペア:

[(1, 64982560), (2, 32491280), (4, 16245640), (5, 12996512), (8, 8122820), (10, 6498256), (16, 4061410), (20, 3249128), (32, 2030705), (40, 1624564), (80, 812282), (160, 406141), (461, 140960), (881, 73760), (922, 70480), (1762, 36880), (1844, 35240), (2305, 28192), (3524, 18440), (3688, 17620), (4405, 14752), (4610, 14096), (7048, 9220), (7376, 8810)]