13136420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 31606848

約数和(自身を除く): 18470428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 71, 110, 116, 142, 145, 220, 284, 290, 319, 355, 580, 638, 710, 781, 841, 1276, 1420, 1562, 1595, 1682, 2059, 3124, 3190, 3364, 3905, 4118, 4205, 6380, 7810, 8236, 8410, 9251, 10295, 15620, 16820, 18502, 20590, 22649, 37004, 41180, 45298, 46255, 59711, 90596, 92510, 113245, 119422, 185020, 226490, 238844, 298555, 452980, 597110, 656821, 1194220, 1313642, 2627284, 3284105, 6568210, 13136420]

約数ペア:

[(1, 13136420), (2, 6568210), (4, 3284105), (5, 2627284), (10, 1313642), (11, 1194220), (20, 656821), (22, 597110), (29, 452980), (44, 298555), (55, 238844), (58, 226490), (71, 185020), (110, 119422), (116, 113245), (142, 92510), (145, 90596), (220, 59711), (284, 46255), (290, 45298), (319, 41180), (355, 37004), (580, 22649), (638, 20590), (710, 18502), (781, 16820), (841, 15620), (1276, 10295), (1420, 9251), (1562, 8410), (1595, 8236), (1682, 7810), (2059, 6380), (3124, 4205), (3190, 4118), (3364, 3905)]