168889960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47441}}^1$

素因数の和:47541

約数の個数: 32

約数和(自身を含む): 384280200

約数和(自身を除く): 215390240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 47441, 94882, 189764, 237205, 379528, 474410, 948820, 1897640, 4222249, 8444498, 16888996, 21111245, 33777992, 42222490, 84444980, 168889960]

約数ペア:

[(1, 168889960), (2, 84444980), (4, 42222490), (5, 33777992), (8, 21111245), (10, 16888996), (20, 8444498), (40, 4222249), (89, 1897640), (178, 948820), (356, 474410), (445, 379528), (712, 237205), (890, 189764), (1780, 94882), (3560, 47441)]