2017385960

素因数分解:

$2^3\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{18481}}^1$

素因数の和:21221

約数の個数: 32

約数和(自身を含む): 4541027400

約数和(自身を除く): 2523641440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2729, 5458, 10916, 13645, 18481, 21832, 27290, 36962, 54580, 73924, 92405, 109160, 147848, 184810, 369620, 739240, 50434649, 100869298, 201738596, 252173245, 403477192, 504346490, 1008692980, 2017385960]

約数ペア:

[(1, 2017385960), (2, 1008692980), (4, 504346490), (5, 403477192), (8, 252173245), (10, 201738596), (20, 100869298), (40, 50434649), (2729, 739240), (5458, 369620), (10916, 184810), (13645, 147848), (18481, 109160), (21832, 92405), (27290, 73924), (36962, 54580)]