9908080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 28373184

約数和(自身を除く): 18465104

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1361, 1456, 1820, 2722, 3640, 5444, 6805, 7280, 9527, 10888, 13610, 17693, 19054, 21776, 27220, 35386, 38108, 47635, 54440, 70772, 76216, 88465, 95270, 108880, 123851, 141544, 152432, 176930, 190540, 247702, 283088, 353860, 381080, 495404, 619255, 707720, 762160, 990808, 1238510, 1415440, 1981616, 2477020, 4954040, 9908080]

約数ペア:

[(1, 9908080), (2, 4954040), (4, 2477020), (5, 1981616), (7, 1415440), (8, 1238510), (10, 990808), (13, 762160), (14, 707720), (16, 619255), (20, 495404), (26, 381080), (28, 353860), (35, 283088), (40, 247702), (52, 190540), (56, 176930), (65, 152432), (70, 141544), (80, 123851), (91, 108880), (104, 95270), (112, 88465), (130, 76216), (140, 70772), (182, 54440), (208, 47635), (260, 38108), (280, 35386), (364, 27220), (455, 21776), (520, 19054), (560, 17693), (728, 13610), (910, 10888), (1040, 9527), (1361, 7280), (1456, 6805), (1820, 5444), (2722, 3640)]