622240

素因数分解:

$2^5\times 5^1\times {\mathrm{3889}}^1$

素因数の和:3904

約数の個数: 24

約数和(自身を含む): 1470420

約数和(自身を除く): 848180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3889, 7778, 15556, 19445, 31112, 38890, 62224, 77780, 124448, 155560, 311120, 622240]

約数ペア:

[(1, 622240), (2, 311120), (4, 155560), (5, 124448), (8, 77780), (10, 62224), (16, 38890), (20, 31112), (32, 19445), (40, 15556), (80, 7778), (160, 3889)]