13006040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 31138560

約数和(自身を除く): 18132520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 211, 230, 268, 335, 422, 460, 536, 670, 844, 920, 1055, 1340, 1541, 1688, 2110, 2680, 3082, 4220, 4853, 6164, 7705, 8440, 9706, 12328, 14137, 15410, 19412, 24265, 28274, 30820, 38824, 48530, 56548, 61640, 70685, 97060, 113096, 141370, 194120, 282740, 325151, 565480, 650302, 1300604, 1625755, 2601208, 3251510, 6503020, 13006040]

約数ペア:

[(1, 13006040), (2, 6503020), (4, 3251510), (5, 2601208), (8, 1625755), (10, 1300604), (20, 650302), (23, 565480), (40, 325151), (46, 282740), (67, 194120), (92, 141370), (115, 113096), (134, 97060), (184, 70685), (211, 61640), (230, 56548), (268, 48530), (335, 38824), (422, 30820), (460, 28274), (536, 24265), (670, 19412), (844, 15410), (920, 14137), (1055, 12328), (1340, 9706), (1541, 8440), (1688, 7705), (2110, 6164), (2680, 4853), (3082, 4220)]