20180459800

素因数分解:

$2^3\times 5^2\times {\mathrm{13477}}^1\times {\mathrm{7487}}^1$

素因数の和:20980

約数の個数: 48

約数和(自身を含む): 46929317760

約数和(自身を除く): 26748857960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 7487, 13477, 14974, 26954, 29948, 37435, 53908, 59896, 67385, 74870, 107816, 134770, 149740, 187175, 269540, 299480, 336925, 374350, 539080, 673850, 748700, 1347700, 1497400, 2695400, 100902299, 201804598, 403609196, 504511495, 807218392, 1009022990, 2018045980, 2522557475, 4036091960, 5045114950, 10090229900, 20180459800]

約数ペア:

[(1, 20180459800), (2, 10090229900), (4, 5045114950), (5, 4036091960), (8, 2522557475), (10, 2018045980), (20, 1009022990), (25, 807218392), (40, 504511495), (50, 403609196), (100, 201804598), (200, 100902299), (7487, 2695400), (13477, 1497400), (14974, 1347700), (26954, 748700), (29948, 673850), (37435, 539080), (53908, 374350), (59896, 336925), (67385, 299480), (74870, 269540), (107816, 187175), (134770, 149740)]