2000708720

素因数分解:

$2^4\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{20963}}^1$

素因数の和:22169

約数の個数: 40

約数和(自身を含む): 4655768976

約数和(自身を除く): 2655060256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1193, 2386, 4772, 5965, 9544, 11930, 19088, 20963, 23860, 41926, 47720, 83852, 95440, 104815, 167704, 209630, 335408, 419260, 838520, 1677040, 25008859, 50017718, 100035436, 125044295, 200070872, 250088590, 400141744, 500177180, 1000354360, 2000708720]

約数ペア:

[(1, 2000708720), (2, 1000354360), (4, 500177180), (5, 400141744), (8, 250088590), (10, 200070872), (16, 125044295), (20, 100035436), (40, 50017718), (80, 25008859), (1193, 1677040), (2386, 838520), (4772, 419260), (5965, 335408), (9544, 209630), (11930, 167704), (19088, 104815), (20963, 95440), (23860, 83852), (41926, 47720)]