17972680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40847}}^1$

素因数の和:40869

約数の個数: 32

約数和(自身を含む): 44115840

約数和(自身を除く): 26143160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 40847, 81694, 163388, 204235, 326776, 408470, 449317, 816940, 898634, 1633880, 1797268, 2246585, 3594536, 4493170, 8986340, 17972680]

約数ペア:

[(1, 17972680), (2, 8986340), (4, 4493170), (5, 3594536), (8, 2246585), (10, 1797268), (11, 1633880), (20, 898634), (22, 816940), (40, 449317), (44, 408470), (55, 326776), (88, 204235), (110, 163388), (220, 81694), (440, 40847)]