64983820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3739}}^1$

素因数の和:3838

約数の個数: 48

約数和(自身を含む): 150796800

約数和(自身を除く): 85812980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 3739, 4345, 7478, 8690, 14956, 17380, 18695, 37390, 41129, 74780, 82258, 164516, 205645, 295381, 411290, 590762, 822580, 1181524, 1476905, 2953810, 3249191, 5907620, 6498382, 12996764, 16245955, 32491910, 64983820]

約数ペア:

[(1, 64983820), (2, 32491910), (4, 16245955), (5, 12996764), (10, 6498382), (11, 5907620), (20, 3249191), (22, 2953810), (44, 1476905), (55, 1181524), (79, 822580), (110, 590762), (158, 411290), (220, 295381), (316, 205645), (395, 164516), (790, 82258), (869, 74780), (1580, 41129), (1738, 37390), (3476, 18695), (3739, 17380), (4345, 14956), (7478, 8690)]