17140640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9739}}^1$

素因数の和:9765

約数の個数: 48

約数和(自身を含む): 44180640

約数和(自身を除く): 27040000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 9739, 19478, 38956, 48695, 77912, 97390, 107129, 155824, 194780, 214258, 311648, 389560, 428516, 535645, 779120, 857032, 1071290, 1558240, 1714064, 2142580, 3428128, 4285160, 8570320, 17140640]

約数ペア:

[(1, 17140640), (2, 8570320), (4, 4285160), (5, 3428128), (8, 2142580), (10, 1714064), (11, 1558240), (16, 1071290), (20, 857032), (22, 779120), (32, 535645), (40, 428516), (44, 389560), (55, 311648), (80, 214258), (88, 194780), (110, 155824), (160, 107129), (176, 97390), (220, 77912), (352, 48695), (440, 38956), (880, 19478), (1760, 9739)]