80115860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6871}}^1$

素因数の和:6944

約数の個数: 48

約数和(自身を含む): 187028352

約数和(自身を除く): 106912492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 6871, 11660, 13742, 27484, 34355, 68710, 75581, 137420, 151162, 302324, 364163, 377905, 728326, 755810, 1456652, 1511620, 1820815, 3641630, 4005793, 7283260, 8011586, 16023172, 20028965, 40057930, 80115860]

約数ペア:

[(1, 80115860), (2, 40057930), (4, 20028965), (5, 16023172), (10, 8011586), (11, 7283260), (20, 4005793), (22, 3641630), (44, 1820815), (53, 1511620), (55, 1456652), (106, 755810), (110, 728326), (212, 377905), (220, 364163), (265, 302324), (530, 151162), (583, 137420), (1060, 75581), (1166, 68710), (2332, 34355), (2915, 27484), (5830, 13742), (6871, 11660)]