2080493480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4000949}}^1$

素因数の和:4000973

約数の個数: 32

約数和(自身を含む): 5041197000

約数和(自身を除く): 2960703520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4000949, 8001898, 16003796, 20004745, 32007592, 40009490, 52012337, 80018980, 104024674, 160037960, 208049348, 260061685, 416098696, 520123370, 1040246740, 2080493480]

約数ペア:

[(1, 2080493480), (2, 1040246740), (4, 520123370), (5, 416098696), (8, 260061685), (10, 208049348), (13, 160037960), (20, 104024674), (26, 80018980), (40, 52012337), (52, 40009490), (65, 32007592), (104, 20004745), (130, 16003796), (260, 8001898), (520, 4000949)]