16480640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2341}}^1$

素因数の和:2371

約数の個数: 64

約数和(自身を含む): 42999120

約数和(自身を除く): 26518480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2341, 3520, 4682, 7040, 9364, 11705, 18728, 23410, 25751, 37456, 46820, 51502, 74912, 93640, 103004, 128755, 149824, 187280, 206008, 257510, 299648, 374560, 412016, 515020, 749120, 824032, 1030040, 1498240, 1648064, 2060080, 3296128, 4120160, 8240320, 16480640]

約数ペア:

[(1, 16480640), (2, 8240320), (4, 4120160), (5, 3296128), (8, 2060080), (10, 1648064), (11, 1498240), (16, 1030040), (20, 824032), (22, 749120), (32, 515020), (40, 412016), (44, 374560), (55, 299648), (64, 257510), (80, 206008), (88, 187280), (110, 149824), (128, 128755), (160, 103004), (176, 93640), (220, 74912), (320, 51502), (352, 46820), (440, 37456), (640, 25751), (704, 23410), (880, 18728), (1408, 11705), (1760, 9364), (2341, 7040), (3520, 4682)]