13789640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3347}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 31337280

約数和(自身を除く): 17547640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3347, 4120, 6694, 13388, 16735, 26776, 33470, 66940, 133880, 344741, 689482, 1378964, 1723705, 2757928, 3447410, 6894820, 13789640]

約数ペア:

[(1, 13789640), (2, 6894820), (4, 3447410), (5, 2757928), (8, 1723705), (10, 1378964), (20, 689482), (40, 344741), (103, 133880), (206, 66940), (412, 33470), (515, 26776), (824, 16735), (1030, 13388), (2060, 6694), (3347, 4120)]