101491120

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1973}}^1$

素因数の和:2629

約数の個数: 40

約数和(自身を含む): 236453616

約数和(自身を除く): 134962496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 1973, 2572, 3215, 3946, 5144, 6430, 7892, 9865, 10288, 12860, 15784, 19730, 25720, 31568, 39460, 51440, 78920, 157840, 1268639, 2537278, 5074556, 6343195, 10149112, 12686390, 20298224, 25372780, 50745560, 101491120]

約数ペア:

[(1, 101491120), (2, 50745560), (4, 25372780), (5, 20298224), (8, 12686390), (10, 10149112), (16, 6343195), (20, 5074556), (40, 2537278), (80, 1268639), (643, 157840), (1286, 78920), (1973, 51440), (2572, 39460), (3215, 31568), (3946, 25720), (5144, 19730), (6430, 15784), (7892, 12860), (9865, 10288)]