25135435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 36789984

約数和(自身を除く): 11654549

約数列:

[1, 5, 13, 17, 23, 43, 65, 85, 115, 215, 221, 299, 391, 529, 559, 731, 989, 1105, 1495, 1955, 2645, 2795, 3655, 4945, 5083, 6877, 8993, 9503, 12857, 16813, 22747, 25415, 34385, 44965, 47515, 64285, 84065, 113735, 116909, 218569, 295711, 386699, 584545, 1092845, 1478555, 1933495, 5027087, 25135435]

約数ペア:

[(1, 25135435), (5, 5027087), (13, 1933495), (17, 1478555), (23, 1092845), (43, 584545), (65, 386699), (85, 295711), (115, 218569), (215, 116909), (221, 113735), (299, 84065), (391, 64285), (529, 47515), (559, 44965), (731, 34385), (989, 25415), (1105, 22747), (1495, 16813), (1955, 12857), (2645, 9503), (2795, 8993), (3655, 6877), (4945, 5083)]