6643880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1019}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 15055200

約数和(自身を除く): 8411320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1019, 1304, 1630, 2038, 3260, 4076, 5095, 6520, 8152, 10190, 20380, 40760, 166097, 332194, 664388, 830485, 1328776, 1660970, 3321940, 6643880]

約数ペア:

[(1, 6643880), (2, 3321940), (4, 1660970), (5, 1328776), (8, 830485), (10, 664388), (20, 332194), (40, 166097), (163, 40760), (326, 20380), (652, 10190), (815, 8152), (1019, 6520), (1304, 5095), (1630, 4076), (2038, 3260)]