19580120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69929}}^1$

素因数の和:69947

約数の個数: 32

約数和(自身を含む): 50349600

約数和(自身を除く): 30769480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69929, 139858, 279716, 349645, 489503, 559432, 699290, 979006, 1398580, 1958012, 2447515, 2797160, 3916024, 4895030, 9790060, 19580120]

約数ペア:

[(1, 19580120), (2, 9790060), (4, 4895030), (5, 3916024), (7, 2797160), (8, 2447515), (10, 1958012), (14, 1398580), (20, 979006), (28, 699290), (35, 559432), (40, 489503), (56, 349645), (70, 279716), (140, 139858), (280, 69929)]