2016451760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1326613}}^1$

素因数の和:1326645

約数の個数: 40

約数和(自身を含む): 4935004080

約数和(自身を除く): 2918552320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1326613, 2653226, 5306452, 6633065, 10612904, 13266130, 21225808, 25205647, 26532260, 50411294, 53064520, 100822588, 106129040, 126028235, 201645176, 252056470, 403290352, 504112940, 1008225880, 2016451760]

約数ペア:

[(1, 2016451760), (2, 1008225880), (4, 504112940), (5, 403290352), (8, 252056470), (10, 201645176), (16, 126028235), (19, 106129040), (20, 100822588), (38, 53064520), (40, 50411294), (76, 26532260), (80, 25205647), (95, 21225808), (152, 13266130), (190, 10612904), (304, 6633065), (380, 5306452), (760, 2653226), (1520, 1326613)]