12906520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29333}}^1$

素因数の和:29355

約数の個数: 32

約数和(自身を含む): 31680720

約数和(自身を除く): 18774200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 29333, 58666, 117332, 146665, 234664, 293330, 322663, 586660, 645326, 1173320, 1290652, 1613315, 2581304, 3226630, 6453260, 12906520]

約数ペア:

[(1, 12906520), (2, 6453260), (4, 3226630), (5, 2581304), (8, 1613315), (10, 1290652), (11, 1173320), (20, 645326), (22, 586660), (40, 322663), (44, 293330), (55, 234664), (88, 146665), (110, 117332), (220, 58666), (440, 29333)]