2080676975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{42967}}^1$

素因数の和:43139

約数の個数: 24

約数和(自身を含む): 2797216800

約数和(自身を除く): 716539825

約数列:

[1, 5, 13, 25, 65, 149, 325, 745, 1937, 3725, 9685, 42967, 48425, 214835, 558571, 1074175, 2792855, 6402083, 13964275, 32010415, 83227079, 160052075, 416135395, 2080676975]

約数ペア:

[(1, 2080676975), (5, 416135395), (13, 160052075), (25, 83227079), (65, 32010415), (149, 13964275), (325, 6402083), (745, 2792855), (1937, 1074175), (3725, 558571), (9685, 214835), (42967, 48425)]