200118440

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{9829}}^1$

素因数の和:10349

約数の個数: 32

約数和(自身を含む): 451197000

約数和(自身を除く): 251078560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 9829, 10180, 19658, 20360, 39316, 49145, 78632, 98290, 196580, 393160, 5002961, 10005922, 20011844, 25014805, 40023688, 50029610, 100059220, 200118440]

約数ペア:

[(1, 200118440), (2, 100059220), (4, 50029610), (5, 40023688), (8, 25014805), (10, 20011844), (20, 10005922), (40, 5002961), (509, 393160), (1018, 196580), (2036, 98290), (2545, 78632), (4072, 49145), (5090, 39316), (9829, 20360), (10180, 19658)]