39972680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90847}}^1$

素因数の和:90869

約数の個数: 32

約数和(自身を含む): 98115840

約数和(自身を除く): 58143160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 90847, 181694, 363388, 454235, 726776, 908470, 999317, 1816940, 1998634, 3633880, 3997268, 4996585, 7994536, 9993170, 19986340, 39972680]

約数ペア:

[(1, 39972680), (2, 19986340), (4, 9993170), (5, 7994536), (8, 4996585), (10, 3997268), (11, 3633880), (20, 1998634), (22, 1816940), (40, 999317), (44, 908470), (55, 726776), (88, 454235), (110, 363388), (220, 181694), (440, 90847)]