8449480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16273

約数の個数: 32

約数和(自身を含む): 20475000

約数和(自身を除く): 12025520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16249, 32498, 64996, 81245, 129992, 162490, 211237, 324980, 422474, 649960, 844948, 1056185, 1689896, 2112370, 4224740, 8449480]

約数ペア:

[(1, 8449480), (2, 4224740), (4, 2112370), (5, 1689896), (8, 1056185), (10, 844948), (13, 649960), (20, 422474), (26, 324980), (40, 211237), (52, 162490), (65, 129992), (104, 81245), (130, 64996), (260, 32498), (520, 16249)]