26789240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 64260000

約数和(自身を除く): 37470760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 349, 380, 404, 505, 698, 760, 808, 1010, 1396, 1745, 1919, 2020, 2792, 3490, 3838, 4040, 6631, 6980, 7676, 9595, 13262, 13960, 15352, 19190, 26524, 33155, 35249, 38380, 53048, 66310, 70498, 76760, 132620, 140996, 176245, 265240, 281992, 352490, 669731, 704980, 1339462, 1409960, 2678924, 3348655, 5357848, 6697310, 13394620, 26789240]

約数ペア:

[(1, 26789240), (2, 13394620), (4, 6697310), (5, 5357848), (8, 3348655), (10, 2678924), (19, 1409960), (20, 1339462), (38, 704980), (40, 669731), (76, 352490), (95, 281992), (101, 265240), (152, 176245), (190, 140996), (202, 132620), (349, 76760), (380, 70498), (404, 66310), (505, 53048), (698, 38380), (760, 35249), (808, 33155), (1010, 26524), (1396, 19190), (1745, 15352), (1919, 13960), (2020, 13262), (2792, 9595), (3490, 7676), (3838, 6980), (4040, 6631)]