50020100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 118299720

約数和(自身を除く): 68279620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 218, 260, 325, 353, 436, 545, 650, 706, 1090, 1300, 1412, 1417, 1765, 2180, 2725, 2834, 3530, 4589, 5450, 5668, 7060, 7085, 8825, 9178, 10900, 14170, 17650, 18356, 22945, 28340, 35300, 35425, 38477, 45890, 70850, 76954, 91780, 114725, 141700, 153908, 192385, 229450, 384770, 458900, 500201, 769540, 961925, 1000402, 1923850, 2000804, 2501005, 3847700, 5002010, 10004020, 12505025, 25010050, 50020100]

約数ペア:

[(1, 50020100), (2, 25010050), (4, 12505025), (5, 10004020), (10, 5002010), (13, 3847700), (20, 2501005), (25, 2000804), (26, 1923850), (50, 1000402), (52, 961925), (65, 769540), (100, 500201), (109, 458900), (130, 384770), (218, 229450), (260, 192385), (325, 153908), (353, 141700), (436, 114725), (545, 91780), (650, 76954), (706, 70850), (1090, 45890), (1300, 38477), (1412, 35425), (1417, 35300), (1765, 28340), (2180, 22945), (2725, 18356), (2834, 17650), (3530, 14170), (4589, 10900), (5450, 9178), (5668, 8825), (7060, 7085)]