81922000

素因数分解:

$2^4\times 5^3\times {\mathrm{40961}}^1$

素因数の和:40984

約数の個数: 40

約数和(自身を含む): 198092232

約数和(自身を除く): 116170232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 40961, 81922, 163844, 204805, 327688, 409610, 655376, 819220, 1024025, 1638440, 2048050, 3276880, 4096100, 5120125, 8192200, 10240250, 16384400, 20480500, 40961000, 81922000]

約数ペア:

[(1, 81922000), (2, 40961000), (4, 20480500), (5, 16384400), (8, 10240250), (10, 8192200), (16, 5120125), (20, 4096100), (25, 3276880), (40, 2048050), (50, 1638440), (80, 1024025), (100, 819220), (125, 655376), (200, 409610), (250, 327688), (400, 204805), (500, 163844), (1000, 81922), (2000, 40961)]