13205680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7177}}^1$

素因数の和:7213

約数の個数: 40

約数和(自身を含む): 32042592

約数和(自身を除く): 18836912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 7177, 14354, 28708, 35885, 57416, 71770, 114832, 143540, 165071, 287080, 330142, 574160, 660284, 825355, 1320568, 1650710, 2641136, 3301420, 6602840, 13205680]

約数ペア:

[(1, 13205680), (2, 6602840), (4, 3301420), (5, 2641136), (8, 1650710), (10, 1320568), (16, 825355), (20, 660284), (23, 574160), (40, 330142), (46, 287080), (80, 165071), (92, 143540), (115, 114832), (184, 71770), (230, 57416), (368, 35885), (460, 28708), (920, 14354), (1840, 7177)]