2580021904

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{244691}}^1$

素因数の和:245358

約数の個数: 20

約数和(自身を含む): 5006398320

約数和(自身を除く): 2426376416

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 244691, 489382, 978764, 1957528, 3915056, 161251369, 322502738, 645005476, 1290010952, 2580021904]

約数ペア:

[(1, 2580021904), (2, 1290010952), (4, 645005476), (8, 322502738), (16, 161251369), (659, 3915056), (1318, 1957528), (2636, 978764), (5272, 489382), (10544, 244691)]