9145720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9941}}^1$

素因数の和:9975

約数の個数: 32

約数和(自身を含む): 21474720

約数和(自身を除く): 12329000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 9941, 19882, 39764, 49705, 79528, 99410, 198820, 228643, 397640, 457286, 914572, 1143215, 1829144, 2286430, 4572860, 9145720]

約数ペア:

[(1, 9145720), (2, 4572860), (4, 2286430), (5, 1829144), (8, 1143215), (10, 914572), (20, 457286), (23, 397640), (40, 228643), (46, 198820), (92, 99410), (115, 79528), (184, 49705), (230, 39764), (460, 19882), (920, 9941)]