8021557720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18230813}}^1$

素因数の和:18230835

約数の個数: 32

約数和(自身を含む): 19689279120

約数和(自身を除く): 11667721400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18230813, 36461626, 72923252, 91154065, 145846504, 182308130, 200538943, 364616260, 401077886, 729232520, 802155772, 1002694715, 1604311544, 2005389430, 4010778860, 8021557720]

約数ペア:

[(1, 8021557720), (2, 4010778860), (4, 2005389430), (5, 1604311544), (8, 1002694715), (10, 802155772), (11, 729232520), (20, 401077886), (22, 364616260), (40, 200538943), (44, 182308130), (55, 145846504), (88, 91154065), (110, 72923252), (220, 36461626), (440, 18230813)]