51239680

素因数分解:

$2^8\times 5^1\times {\mathrm{40031}}^1$

素因数の和:40052

約数の個数: 36

約数和(自身を含む): 122738112

約数和(自身を除く): 71498432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 40031, 80062, 160124, 200155, 320248, 400310, 640496, 800620, 1280992, 1601240, 2561984, 3202480, 5123968, 6404960, 10247936, 12809920, 25619840, 51239680]

約数ペア:

[(1, 51239680), (2, 25619840), (4, 12809920), (5, 10247936), (8, 6404960), (10, 5123968), (16, 3202480), (20, 2561984), (32, 1601240), (40, 1280992), (64, 800620), (80, 640496), (128, 400310), (160, 320248), (256, 200155), (320, 160124), (640, 80062), (1280, 40031)]