81953140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1093}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 180851328

約数和(自身を除く): 98898188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 1093, 1630, 2186, 3260, 3749, 4372, 5465, 7498, 10930, 14996, 18745, 21860, 25139, 37490, 50278, 74980, 100556, 125695, 178159, 251390, 356318, 502780, 712636, 890795, 1781590, 3563180, 4097657, 8195314, 16390628, 20488285, 40976570, 81953140]

約数ペア:

[(1, 81953140), (2, 40976570), (4, 20488285), (5, 16390628), (10, 8195314), (20, 4097657), (23, 3563180), (46, 1781590), (92, 890795), (115, 712636), (163, 502780), (230, 356318), (326, 251390), (460, 178159), (652, 125695), (815, 100556), (1093, 74980), (1630, 50278), (2186, 37490), (3260, 25139), (3749, 21860), (4372, 18745), (5465, 14996), (7498, 10930)]