64348040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22037}}^1$

素因数の和:22121

約数の個数: 32

約数和(自身を含む): 146773080

約数和(自身を除く): 82425040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22037, 44074, 88148, 110185, 176296, 220370, 440740, 881480, 1608701, 3217402, 6434804, 8043505, 12869608, 16087010, 32174020, 64348040]

約数ペア:

[(1, 64348040), (2, 32174020), (4, 16087010), (5, 12869608), (8, 8043505), (10, 6434804), (20, 3217402), (40, 1608701), (73, 881480), (146, 440740), (292, 220370), (365, 176296), (584, 110185), (730, 88148), (1460, 44074), (2920, 22037)]