128141260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{911}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 290650752

約数和(自身を除く): 162509492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541, 911, 1082, 1822, 2164, 2705, 3644, 4555, 5410, 7033, 9110, 10820, 11843, 14066, 18220, 23686, 28132, 35165, 47372, 59215, 70330, 118430, 140660, 236860, 492851, 985702, 1971404, 2464255, 4928510, 6407063, 9857020, 12814126, 25628252, 32035315, 64070630, 128141260]

約数ペア:

[(1, 128141260), (2, 64070630), (4, 32035315), (5, 25628252), (10, 12814126), (13, 9857020), (20, 6407063), (26, 4928510), (52, 2464255), (65, 1971404), (130, 985702), (260, 492851), (541, 236860), (911, 140660), (1082, 118430), (1822, 70330), (2164, 59215), (2705, 47372), (3644, 35165), (4555, 28132), (5410, 23686), (7033, 18220), (9110, 14066), (10820, 11843)]