2018164640

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{24781}}^1$

素因数の和:25305

約数の個数: 48

約数和(自身を含む): 4777473960

約数和(自身を除く): 2759309320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 16288, 20360, 24781, 40720, 49562, 81440, 99124, 123905, 198248, 247810, 396496, 495620, 792992, 991240, 1982480, 3964960, 12613529, 25227058, 50454116, 63067645, 100908232, 126135290, 201816464, 252270580, 403632928, 504541160, 1009082320, 2018164640]

約数ペア:

[(1, 2018164640), (2, 1009082320), (4, 504541160), (5, 403632928), (8, 252270580), (10, 201816464), (16, 126135290), (20, 100908232), (32, 63067645), (40, 50454116), (80, 25227058), (160, 12613529), (509, 3964960), (1018, 1982480), (2036, 991240), (2545, 792992), (4072, 495620), (5090, 396496), (8144, 247810), (10180, 198248), (16288, 123905), (20360, 99124), (24781, 81440), (40720, 49562)]