15202800020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1409}}^1\times {\mathrm{2711}}^1$

素因数の和:4328

約数の個数: 48

約数和(自身を含む): 32120928000

約数和(自身を除く): 16918127980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1409, 1990, 2711, 2818, 3980, 5422, 5636, 7045, 10844, 13555, 14090, 27110, 28180, 54220, 280391, 539489, 560782, 1078978, 1121564, 1401955, 2157956, 2697445, 2803910, 3819799, 5394890, 5607820, 7639598, 10789780, 15279196, 19098995, 38197990, 76395980, 760140001, 1520280002, 3040560004, 3800700005, 7601400010, 15202800020]

約数ペア:

[(1, 15202800020), (2, 7601400010), (4, 3800700005), (5, 3040560004), (10, 1520280002), (20, 760140001), (199, 76395980), (398, 38197990), (796, 19098995), (995, 15279196), (1409, 10789780), (1990, 7639598), (2711, 5607820), (2818, 5394890), (3980, 3819799), (5422, 2803910), (5636, 2697445), (7045, 2157956), (10844, 1401955), (13555, 1121564), (14090, 1078978), (27110, 560782), (28180, 539489), (54220, 280391)]