2904142720

素因数分解:

$2^7\times 5^1\times {\mathrm{4537723}}^1$

素因数の和:4537742

約数の個数: 32

約数和(自身を含む): 6942717720

約数和(自身を除く): 4038575000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4537723, 9075446, 18150892, 22688615, 36301784, 45377230, 72603568, 90754460, 145207136, 181508920, 290414272, 363017840, 580828544, 726035680, 1452071360, 2904142720]

約数ペア:

[(1, 2904142720), (2, 1452071360), (4, 726035680), (5, 580828544), (8, 363017840), (10, 290414272), (16, 181508920), (20, 145207136), (32, 90754460), (40, 72603568), (64, 45377230), (80, 36301784), (128, 22688615), (160, 18150892), (320, 9075446), (640, 4537723)]