91226385920

素因数分解:

$2^9\times 5^1\times {\mathrm{491}}^1\times {\mathrm{72577}}^1$

素因数の和:73091

約数の個数: 80

約数和(自身を含む): 219178011888

約数和(自身を除く): 127951625968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 491, 512, 640, 982, 1280, 1964, 2455, 2560, 3928, 4910, 7856, 9820, 15712, 19640, 31424, 39280, 62848, 72577, 78560, 125696, 145154, 157120, 251392, 290308, 314240, 362885, 580616, 628480, 725770, 1161232, 1256960, 1451540, 2322464, 2903080, 4644928, 5806160, 9289856, 11612320, 18579712, 23224640, 35635307, 37159424, 46449280, 71270614, 92898560, 142541228, 178176535, 185797120, 285082456, 356353070, 570164912, 712706140, 1140329824, 1425412280, 2280659648, 2850824560, 4561319296, 5701649120, 9122638592, 11403298240, 18245277184, 22806596480, 45613192960, 91226385920]

約数ペア:

[(1, 91226385920), (2, 45613192960), (4, 22806596480), (5, 18245277184), (8, 11403298240), (10, 9122638592), (16, 5701649120), (20, 4561319296), (32, 2850824560), (40, 2280659648), (64, 1425412280), (80, 1140329824), (128, 712706140), (160, 570164912), (256, 356353070), (320, 285082456), (491, 185797120), (512, 178176535), (640, 142541228), (982, 92898560), (1280, 71270614), (1964, 46449280), (2455, 37159424), (2560, 35635307), (3928, 23224640), (4910, 18579712), (7856, 11612320), (9820, 9289856), (15712, 5806160), (19640, 4644928), (31424, 2903080), (39280, 2322464), (62848, 1451540), (72577, 1256960), (78560, 1161232), (125696, 725770), (145154, 628480), (157120, 580616), (251392, 362885), (290308, 314240)]