2021967560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1630619}}^1$

素因数の和:1630661

約数の個数: 32

約数和(自身を含む): 4696185600

約数和(自身を除く): 2674218040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1630619, 3261238, 6522476, 8153095, 13044952, 16306190, 32612380, 50549189, 65224760, 101098378, 202196756, 252745945, 404393512, 505491890, 1010983780, 2021967560]

約数ペア:

[(1, 2021967560), (2, 1010983780), (4, 505491890), (5, 404393512), (8, 252745945), (10, 202196756), (20, 101098378), (31, 65224760), (40, 50549189), (62, 32612380), (124, 16306190), (155, 13044952), (248, 8153095), (310, 6522476), (620, 3261238), (1240, 1630619)]