11808280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 29652480

約数和(自身を除く): 17844200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 571, 940, 1034, 1142, 1880, 2068, 2284, 2585, 2855, 4136, 4568, 5170, 5710, 6281, 10340, 11420, 12562, 20680, 22840, 25124, 26837, 31405, 50248, 53674, 62810, 107348, 125620, 134185, 214696, 251240, 268370, 295207, 536740, 590414, 1073480, 1180828, 1476035, 2361656, 2952070, 5904140, 11808280]

約数ペア:

[(1, 11808280), (2, 5904140), (4, 2952070), (5, 2361656), (8, 1476035), (10, 1180828), (11, 1073480), (20, 590414), (22, 536740), (40, 295207), (44, 268370), (47, 251240), (55, 214696), (88, 134185), (94, 125620), (110, 107348), (188, 62810), (220, 53674), (235, 50248), (376, 31405), (440, 26837), (470, 25124), (517, 22840), (571, 20680), (940, 12562), (1034, 11420), (1142, 10340), (1880, 6281), (2068, 5710), (2284, 5170), (2585, 4568), (2855, 4136)]