26187280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 70424064

約数和(自身を除く): 44236784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 463, 505, 560, 707, 808, 926, 1010, 1414, 1616, 1852, 2020, 2315, 2828, 3241, 3535, 3704, 4040, 4630, 5656, 6482, 7070, 7408, 8080, 9260, 11312, 12964, 14140, 16205, 18520, 25928, 28280, 32410, 37040, 46763, 51856, 56560, 64820, 93526, 129640, 187052, 233815, 259280, 327341, 374104, 467630, 654682, 748208, 935260, 1309364, 1636705, 1870520, 2618728, 3273410, 3741040, 5237456, 6546820, 13093640, 26187280]

約数ペア:

[(1, 26187280), (2, 13093640), (4, 6546820), (5, 5237456), (7, 3741040), (8, 3273410), (10, 2618728), (14, 1870520), (16, 1636705), (20, 1309364), (28, 935260), (35, 748208), (40, 654682), (56, 467630), (70, 374104), (80, 327341), (101, 259280), (112, 233815), (140, 187052), (202, 129640), (280, 93526), (404, 64820), (463, 56560), (505, 51856), (560, 46763), (707, 37040), (808, 32410), (926, 28280), (1010, 25928), (1414, 18520), (1616, 16205), (1852, 14140), (2020, 12964), (2315, 11312), (2828, 9260), (3241, 8080), (3535, 7408), (3704, 7070), (4040, 6482), (4630, 5656)]