51704180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1181}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 119145600

約数和(自身を除く): 67441420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1181, 1990, 2189, 2362, 3980, 4378, 4724, 5905, 8756, 10945, 11810, 12991, 21890, 23620, 25982, 43780, 51964, 64955, 129910, 235019, 259820, 470038, 940076, 1175095, 2350190, 2585209, 4700380, 5170418, 10340836, 12926045, 25852090, 51704180]

約数ペア:

[(1, 51704180), (2, 25852090), (4, 12926045), (5, 10340836), (10, 5170418), (11, 4700380), (20, 2585209), (22, 2350190), (44, 1175095), (55, 940076), (110, 470038), (199, 259820), (220, 235019), (398, 129910), (796, 64955), (995, 51964), (1181, 43780), (1990, 25982), (2189, 23620), (2362, 21890), (3980, 12991), (4378, 11810), (4724, 10945), (5905, 8756)]