65004280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 160742880

約数和(自身を除く): 95738600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 941, 1256, 1570, 1727, 1882, 3140, 3454, 3764, 4705, 6280, 6908, 7528, 8635, 9410, 10351, 13816, 17270, 18820, 20702, 34540, 37640, 41404, 51755, 69080, 82808, 103510, 147737, 207020, 295474, 414040, 590948, 738685, 1181896, 1477370, 1625107, 2954740, 3250214, 5909480, 6500428, 8125535, 13000856, 16251070, 32502140, 65004280]

約数ペア:

[(1, 65004280), (2, 32502140), (4, 16251070), (5, 13000856), (8, 8125535), (10, 6500428), (11, 5909480), (20, 3250214), (22, 2954740), (40, 1625107), (44, 1477370), (55, 1181896), (88, 738685), (110, 590948), (157, 414040), (220, 295474), (314, 207020), (440, 147737), (628, 103510), (785, 82808), (941, 69080), (1256, 51755), (1570, 41404), (1727, 37640), (1882, 34540), (3140, 20702), (3454, 18820), (3764, 17270), (4705, 13816), (6280, 10351), (6908, 9410), (7528, 8635)]