19852480

素因数分解:

$2^6\times 5^1\times {\mathrm{62039}}^1$

素因数の和:62056

約数の個数: 28

約数和(自身を含む): 47274480

約数和(自身を除く): 27422000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62039, 124078, 248156, 310195, 496312, 620390, 992624, 1240780, 1985248, 2481560, 3970496, 4963120, 9926240, 19852480]

約数ペア:

[(1, 19852480), (2, 9926240), (4, 4963120), (5, 3970496), (8, 2481560), (10, 1985248), (16, 1240780), (20, 992624), (32, 620390), (40, 496312), (64, 310195), (80, 248156), (160, 124078), (320, 62039)]