4038775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 36

約数和(自身を含む): 5862472

約数和(自身を除く): 1823697

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 289, 325, 425, 559, 731, 1075, 1105, 1445, 2795, 3655, 3757, 5525, 7225, 9503, 12427, 13975, 18275, 18785, 47515, 62135, 93925, 161551, 237575, 310675, 807755, 4038775]

約数ペア:

[(1, 4038775), (5, 807755), (13, 310675), (17, 237575), (25, 161551), (43, 93925), (65, 62135), (85, 47515), (215, 18785), (221, 18275), (289, 13975), (325, 12427), (425, 9503), (559, 7225), (731, 5525), (1075, 3757), (1105, 3655), (1445, 2795)]