13938760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 34732800

約数和(自身を除く): 20794040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 401, 440, 632, 790, 802, 869, 1580, 1604, 1738, 2005, 3160, 3208, 3476, 4010, 4345, 4411, 6952, 8020, 8690, 8822, 16040, 17380, 17644, 22055, 31679, 34760, 35288, 44110, 63358, 88220, 126716, 158395, 176440, 253432, 316790, 348469, 633580, 696938, 1267160, 1393876, 1742345, 2787752, 3484690, 6969380, 13938760]

約数ペア:

[(1, 13938760), (2, 6969380), (4, 3484690), (5, 2787752), (8, 1742345), (10, 1393876), (11, 1267160), (20, 696938), (22, 633580), (40, 348469), (44, 316790), (55, 253432), (79, 176440), (88, 158395), (110, 126716), (158, 88220), (220, 63358), (316, 44110), (395, 35288), (401, 34760), (440, 31679), (632, 22055), (790, 17644), (802, 17380), (869, 16040), (1580, 8822), (1604, 8690), (1738, 8020), (2005, 6952), (3160, 4411), (3208, 4345), (3476, 4010)]