52205620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 112190400

約数和(自身を除く): 59984780

約数列:

[1, 2, 4, 5, 10, 20, 89, 139, 178, 211, 278, 356, 422, 445, 556, 695, 844, 890, 1055, 1390, 1780, 2110, 2780, 4220, 12371, 18779, 24742, 29329, 37558, 49484, 58658, 61855, 75116, 93895, 117316, 123710, 146645, 187790, 247420, 293290, 375580, 586580, 2610281, 5220562, 10441124, 13051405, 26102810, 52205620]

約数ペア:

[(1, 52205620), (2, 26102810), (4, 13051405), (5, 10441124), (10, 5220562), (20, 2610281), (89, 586580), (139, 375580), (178, 293290), (211, 247420), (278, 187790), (356, 146645), (422, 123710), (445, 117316), (556, 93895), (695, 75116), (844, 61855), (890, 58658), (1055, 49484), (1390, 37558), (1780, 29329), (2110, 24742), (2780, 18779), (4220, 12371)]