65004400

素因数分解:

$2^4\times 5^2\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1178

約数の個数: 60

約数和(自身を含む): 157288792

約数和(自身を除く): 92284392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 163, 200, 326, 400, 652, 815, 997, 1304, 1630, 1994, 2608, 3260, 3988, 4075, 4985, 6520, 7976, 8150, 9970, 13040, 15952, 16300, 19940, 24925, 32600, 39880, 49850, 65200, 79760, 99700, 162511, 199400, 325022, 398800, 650044, 812555, 1300088, 1625110, 2600176, 3250220, 4062775, 6500440, 8125550, 13000880, 16251100, 32502200, 65004400]

約数ペア:

[(1, 65004400), (2, 32502200), (4, 16251100), (5, 13000880), (8, 8125550), (10, 6500440), (16, 4062775), (20, 3250220), (25, 2600176), (40, 1625110), (50, 1300088), (80, 812555), (100, 650044), (163, 398800), (200, 325022), (326, 199400), (400, 162511), (652, 99700), (815, 79760), (997, 65200), (1304, 49850), (1630, 39880), (1994, 32600), (2608, 24925), (3260, 19940), (3988, 16300), (4075, 15952), (4985, 13040), (6520, 9970), (7976, 8150)]