13000880

素因数分解:

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

素因数の和:1173

約数の個数: 40

約数和(自身を含む): 30442992

約数和(自身を除く): 17442112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 997, 1304, 1630, 1994, 2608, 3260, 3988, 4985, 6520, 7976, 9970, 13040, 15952, 19940, 39880, 79760, 162511, 325022, 650044, 812555, 1300088, 1625110, 2600176, 3250220, 6500440, 13000880]

約数ペア:

[(1, 13000880), (2, 6500440), (4, 3250220), (5, 2600176), (8, 1625110), (10, 1300088), (16, 812555), (20, 650044), (40, 325022), (80, 162511), (163, 79760), (326, 39880), (652, 19940), (815, 15952), (997, 13040), (1304, 9970), (1630, 7976), (1994, 6520), (2608, 4985), (3260, 3988)]