8266451840

素因数分解:

$2^7\times 5^1\times {\mathrm{12916331}}^1$

素因数の和:12916350

約数の個数: 32

約数和(自身を含む): 19761987960

約数和(自身を除く): 11495536120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12916331, 25832662, 51665324, 64581655, 103330648, 129163310, 206661296, 258326620, 413322592, 516653240, 826645184, 1033306480, 1653290368, 2066612960, 4133225920, 8266451840]

約数ペア:

[(1, 8266451840), (2, 4133225920), (4, 2066612960), (5, 1653290368), (8, 1033306480), (10, 826645184), (16, 516653240), (20, 413322592), (32, 258326620), (40, 206661296), (64, 129163310), (80, 103330648), (128, 64581655), (160, 51665324), (320, 25832662), (640, 12916331)]