40254878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 66134880

約数和(自身を除く): 25880002

約数列:

[1, 2, 17, 34, 53, 89, 106, 178, 251, 502, 901, 1513, 1802, 3026, 4267, 4717, 8534, 9434, 13303, 22339, 26606, 44678, 80189, 160378, 226151, 379763, 452302, 759526, 1183967, 2367934, 20127439, 40254878]

約数ペア:

[(1, 40254878), (2, 20127439), (17, 2367934), (34, 1183967), (53, 759526), (89, 452302), (106, 379763), (178, 226151), (251, 160378), (502, 80189), (901, 44678), (1513, 26606), (1802, 22339), (3026, 13303), (4267, 9434), (4717, 8534)]