25742380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 31139060

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 809, 860, 1591, 1618, 3182, 3236, 4045, 6364, 7955, 8090, 15910, 16180, 29933, 31820, 34787, 59866, 69574, 119732, 139148, 149665, 173935, 299330, 347870, 598660, 695740, 1287119, 2574238, 5148476, 6435595, 12871190, 25742380]

約数ペア:

[(1, 25742380), (2, 12871190), (4, 6435595), (5, 5148476), (10, 2574238), (20, 1287119), (37, 695740), (43, 598660), (74, 347870), (86, 299330), (148, 173935), (172, 149665), (185, 139148), (215, 119732), (370, 69574), (430, 59866), (740, 34787), (809, 31820), (860, 29933), (1591, 16180), (1618, 15910), (3182, 8090), (3236, 7955), (4045, 6364)]