17205680

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:941

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 22970320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 479, 898, 958, 1796, 1916, 2245, 2395, 3592, 3832, 4490, 4790, 7184, 7664, 8980, 9580, 17960, 19160, 35920, 38320, 215071, 430142, 860284, 1075355, 1720568, 2150710, 3441136, 4301420, 8602840, 17205680]

約数ペア:

[(1, 17205680), (2, 8602840), (4, 4301420), (5, 3441136), (8, 2150710), (10, 1720568), (16, 1075355), (20, 860284), (40, 430142), (80, 215071), (449, 38320), (479, 35920), (898, 19160), (958, 17960), (1796, 9580), (1916, 8980), (2245, 7664), (2395, 7184), (3592, 4790), (3832, 4490)]