25586980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 56077056

約数和(自身を除く): 30490076

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 487, 710, 740, 974, 1420, 1948, 2435, 2627, 4870, 5254, 9740, 10508, 13135, 18019, 26270, 34577, 36038, 52540, 69154, 72076, 90095, 138308, 172885, 180190, 345770, 360380, 691540, 1279349, 2558698, 5117396, 6396745, 12793490, 25586980]

約数ペア:

[(1, 25586980), (2, 12793490), (4, 6396745), (5, 5117396), (10, 2558698), (20, 1279349), (37, 691540), (71, 360380), (74, 345770), (142, 180190), (148, 172885), (185, 138308), (284, 90095), (355, 72076), (370, 69154), (487, 52540), (710, 36038), (740, 34577), (974, 26270), (1420, 18019), (1948, 13135), (2435, 10508), (2627, 9740), (4870, 5254)]