201087920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228509}}^1$

素因数の和:228533

約数の個数: 40

約数和(自身を含む): 510034320

約数和(自身を除く): 308946400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228509, 457018, 914036, 1142545, 1828072, 2285090, 2513599, 3656144, 4570180, 5027198, 9140360, 10054396, 12567995, 18280720, 20108792, 25135990, 40217584, 50271980, 100543960, 201087920]

約数ペア:

[(1, 201087920), (2, 100543960), (4, 50271980), (5, 40217584), (8, 25135990), (10, 20108792), (11, 18280720), (16, 12567995), (20, 10054396), (22, 9140360), (40, 5027198), (44, 4570180), (55, 3656144), (80, 2513599), (88, 2285090), (110, 1828072), (176, 1142545), (220, 914036), (440, 457018), (880, 228509)]