202099720

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19211}}^1$

素因数の和:19485

約数の個数: 32

約数和(自身を含む): 456477120

約数和(自身を除く): 254377400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 19211, 38422, 76844, 96055, 153688, 192110, 384220, 768440, 5052493, 10104986, 20209972, 25262465, 40419944, 50524930, 101049860, 202099720]

約数ペア:

[(1, 202099720), (2, 101049860), (4, 50524930), (5, 40419944), (8, 25262465), (10, 20209972), (20, 10104986), (40, 5052493), (263, 768440), (526, 384220), (1052, 192110), (1315, 153688), (2104, 96055), (2630, 76844), (5260, 38422), (10520, 19211)]