49742720

素因数分解:

$2^7\times 5^1\times {\mathrm{77723}}^1$

素因数の和:77742

約数の個数: 32

約数和(自身を含む): 118917720

約数和(自身を除く): 69175000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 77723, 155446, 310892, 388615, 621784, 777230, 1243568, 1554460, 2487136, 3108920, 4974272, 6217840, 9948544, 12435680, 24871360, 49742720]

約数ペア:

[(1, 49742720), (2, 24871360), (4, 12435680), (5, 9948544), (8, 6217840), (10, 4974272), (16, 3108920), (20, 2487136), (32, 1554460), (40, 1243568), (64, 777230), (80, 621784), (128, 388615), (160, 310892), (320, 155446), (640, 77723)]