2040560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 4955040

約数和(自身を除く): 2914480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1109, 1840, 2218, 4436, 5545, 8872, 11090, 17744, 22180, 25507, 44360, 51014, 88720, 102028, 127535, 204056, 255070, 408112, 510140, 1020280, 2040560]

約数ペア:

[(1, 2040560), (2, 1020280), (4, 510140), (5, 408112), (8, 255070), (10, 204056), (16, 127535), (20, 102028), (23, 88720), (40, 51014), (46, 44360), (80, 25507), (92, 22180), (115, 17744), (184, 11090), (230, 8872), (368, 5545), (460, 4436), (920, 2218), (1109, 1840)]