47728280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27749}}^1$

素因数の和:27803

約数の個数: 32

約数和(自身を含む): 109890000

約数和(自身を除く): 62161720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 27749, 55498, 110996, 138745, 221992, 277490, 554980, 1109960, 1193207, 2386414, 4772828, 5966035, 9545656, 11932070, 23864140, 47728280]

約数ペア:

[(1, 47728280), (2, 23864140), (4, 11932070), (5, 9545656), (8, 5966035), (10, 4772828), (20, 2386414), (40, 1193207), (43, 1109960), (86, 554980), (172, 277490), (215, 221992), (344, 138745), (430, 110996), (860, 55498), (1720, 27749)]