30142520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8467}}^1$

素因数の和:8567

約数の個数: 32

約数和(自身を含む): 68590800

約数和(自身を除く): 38448280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 8467, 16934, 33868, 42335, 67736, 84670, 169340, 338680, 753563, 1507126, 3014252, 3767815, 6028504, 7535630, 15071260, 30142520]

約数ペア:

[(1, 30142520), (2, 15071260), (4, 7535630), (5, 6028504), (8, 3767815), (10, 3014252), (20, 1507126), (40, 753563), (89, 338680), (178, 169340), (356, 84670), (445, 67736), (712, 42335), (890, 33868), (1780, 16934), (3560, 8467)]