9620720

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 22506000

約数和(自身を除く): 12885280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 499, 964, 998, 1205, 1928, 1996, 2410, 2495, 3856, 3992, 4820, 4990, 7984, 9640, 9980, 19280, 19960, 39920, 120259, 240518, 481036, 601295, 962072, 1202590, 1924144, 2405180, 4810360, 9620720]

約数ペア:

[(1, 9620720), (2, 4810360), (4, 2405180), (5, 1924144), (8, 1202590), (10, 962072), (16, 601295), (20, 481036), (40, 240518), (80, 120259), (241, 39920), (482, 19960), (499, 19280), (964, 9980), (998, 9640), (1205, 7984), (1928, 4990), (1996, 4820), (2410, 3992), (2495, 3856)]