109921040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 266649600

約数和(自身を除く): 156728560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 349, 496, 508, 620, 635, 698, 1016, 1240, 1270, 1396, 1745, 2032, 2480, 2540, 2792, 3490, 3937, 5080, 5584, 6980, 7874, 10160, 10819, 13960, 15748, 19685, 21638, 27920, 31496, 39370, 43276, 44323, 54095, 62992, 78740, 86552, 88646, 108190, 157480, 173104, 177292, 216380, 221615, 314960, 354584, 432760, 443230, 709168, 865520, 886460, 1374013, 1772920, 2748026, 3545840, 5496052, 6870065, 10992104, 13740130, 21984208, 27480260, 54960520, 109921040]

約数ペア:

[(1, 109921040), (2, 54960520), (4, 27480260), (5, 21984208), (8, 13740130), (10, 10992104), (16, 6870065), (20, 5496052), (31, 3545840), (40, 2748026), (62, 1772920), (80, 1374013), (124, 886460), (127, 865520), (155, 709168), (248, 443230), (254, 432760), (310, 354584), (349, 314960), (496, 221615), (508, 216380), (620, 177292), (635, 173104), (698, 157480), (1016, 108190), (1240, 88646), (1270, 86552), (1396, 78740), (1745, 62992), (2032, 54095), (2480, 44323), (2540, 43276), (2792, 39370), (3490, 31496), (3937, 27920), (5080, 21638), (5584, 19685), (6980, 15748), (7874, 13960), (10160, 10819)]