10259440

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 23994000

約数和(自身を除く): 13734560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 499, 514, 998, 1028, 1285, 1996, 2056, 2495, 2570, 3992, 4112, 4990, 5140, 7984, 9980, 10280, 19960, 20560, 39920, 128243, 256486, 512972, 641215, 1025944, 1282430, 2051888, 2564860, 5129720, 10259440]

約数ペア:

[(1, 10259440), (2, 5129720), (4, 2564860), (5, 2051888), (8, 1282430), (10, 1025944), (16, 641215), (20, 512972), (40, 256486), (80, 128243), (257, 39920), (499, 20560), (514, 19960), (998, 10280), (1028, 9980), (1285, 7984), (1996, 5140), (2056, 4990), (2495, 4112), (2570, 3992)]