2018632720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{84391}}^1$

素因数の和:84440

約数の個数: 80

約数和(自身を含む): 5274162432

約数和(自身を除く): 3255529712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 4784, 5980, 11960, 23920, 84391, 168782, 337564, 421955, 675128, 843910, 1097083, 1350256, 1687820, 1940993, 2194166, 3375640, 3881986, 4388332, 5485415, 6751280, 7763972, 8776664, 9704965, 10970830, 15527944, 17553328, 19409930, 21941660, 25232909, 31055888, 38819860, 43883320, 50465818, 77639720, 87766640, 100931636, 126164545, 155279440, 201863272, 252329090, 403726544, 504658180, 1009316360, 2018632720]

約数ペア:

[(1, 2018632720), (2, 1009316360), (4, 504658180), (5, 403726544), (8, 252329090), (10, 201863272), (13, 155279440), (16, 126164545), (20, 100931636), (23, 87766640), (26, 77639720), (40, 50465818), (46, 43883320), (52, 38819860), (65, 31055888), (80, 25232909), (92, 21941660), (104, 19409930), (115, 17553328), (130, 15527944), (184, 10970830), (208, 9704965), (230, 8776664), (260, 7763972), (299, 6751280), (368, 5485415), (460, 4388332), (520, 3881986), (598, 3375640), (920, 2194166), (1040, 1940993), (1196, 1687820), (1495, 1350256), (1840, 1097083), (2392, 843910), (2990, 675128), (4784, 421955), (5980, 337564), (11960, 168782), (23920, 84391)]