28848440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31357}}^1$

素因数の和:31391

約数の個数: 32

約数和(自身を含む): 67733280

約数和(自身を除く): 38884840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31357, 62714, 125428, 156785, 250856, 313570, 627140, 721211, 1254280, 1442422, 2884844, 3606055, 5769688, 7212110, 14424220, 28848440]

約数ペア:

[(1, 28848440), (2, 14424220), (4, 7212110), (5, 5769688), (8, 3606055), (10, 2884844), (20, 1442422), (23, 1254280), (40, 721211), (46, 627140), (92, 313570), (115, 250856), (184, 156785), (230, 125428), (460, 62714), (920, 31357)]