266490040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{68683}}^1$

素因数の和:68791

約数の個数: 32

約数和(自身を含む): 605792880

約数和(自身を除く): 339302840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 68683, 137366, 274732, 343415, 549464, 686830, 1373660, 2747320, 6662251, 13324502, 26649004, 33311255, 53298008, 66622510, 133245020, 266490040]

約数ペア:

[(1, 266490040), (2, 133245020), (4, 66622510), (5, 53298008), (8, 33311255), (10, 26649004), (20, 13324502), (40, 6662251), (97, 2747320), (194, 1373660), (388, 686830), (485, 549464), (776, 343415), (970, 274732), (1940, 137366), (3880, 68683)]