27985540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127207}}^1$

素因数の和:127227

約数の個数: 24

約数和(自身を含む): 64112832

約数和(自身を除く): 36127292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127207, 254414, 508828, 636035, 1272070, 1399277, 2544140, 2798554, 5597108, 6996385, 13992770, 27985540]

約数ペア:

[(1, 27985540), (2, 13992770), (4, 6996385), (5, 5597108), (10, 2798554), (11, 2544140), (20, 1399277), (22, 1272070), (44, 636035), (55, 508828), (110, 254414), (220, 127207)]