39347720

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3163}}^1$

素因数の和:3485

約数の個数: 32

約数和(自身を含む): 88845120

約数和(自身を除く): 49497400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3163, 6220, 6326, 12440, 12652, 15815, 25304, 31630, 63260, 126520, 983693, 1967386, 3934772, 4918465, 7869544, 9836930, 19673860, 39347720]

約数ペア:

[(1, 39347720), (2, 19673860), (4, 9836930), (5, 7869544), (8, 4918465), (10, 3934772), (20, 1967386), (40, 983693), (311, 126520), (622, 63260), (1244, 31630), (1555, 25304), (2488, 15815), (3110, 12652), (3163, 12440), (6220, 6326)]