20161108480

素因数分解:

$2^9\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{5171}}^1$

素因数の和:6717

約数の個数: 80

約数和(自身を含む): 48380501664

約数和(自身を除く): 28219393184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1523, 2560, 3046, 5171, 6092, 7615, 10342, 12184, 15230, 20684, 24368, 25855, 30460, 41368, 48736, 51710, 60920, 82736, 97472, 103420, 121840, 165472, 194944, 206840, 243680, 330944, 389888, 413680, 487360, 661888, 779776, 827360, 974720, 1323776, 1654720, 1949440, 2647552, 3309440, 3898880, 6618880, 7875433, 13237760, 15750866, 31501732, 39377165, 63003464, 78754330, 126006928, 157508660, 252013856, 315017320, 504027712, 630034640, 1008055424, 1260069280, 2016110848, 2520138560, 4032221696, 5040277120, 10080554240, 20161108480]

約数ペア:

[(1, 20161108480), (2, 10080554240), (4, 5040277120), (5, 4032221696), (8, 2520138560), (10, 2016110848), (16, 1260069280), (20, 1008055424), (32, 630034640), (40, 504027712), (64, 315017320), (80, 252013856), (128, 157508660), (160, 126006928), (256, 78754330), (320, 63003464), (512, 39377165), (640, 31501732), (1280, 15750866), (1523, 13237760), (2560, 7875433), (3046, 6618880), (5171, 3898880), (6092, 3309440), (7615, 2647552), (10342, 1949440), (12184, 1654720), (15230, 1323776), (20684, 974720), (24368, 827360), (25855, 779776), (30460, 661888), (41368, 487360), (48736, 413680), (51710, 389888), (60920, 330944), (82736, 243680), (97472, 206840), (103420, 194944), (121840, 165472)]