2164640

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 5207328

約数和(自身を除く): 3042688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 163, 166, 326, 332, 415, 652, 664, 815, 830, 1304, 1328, 1630, 1660, 2608, 2656, 3260, 3320, 5216, 6520, 6640, 13040, 13280, 13529, 26080, 27058, 54116, 67645, 108232, 135290, 216464, 270580, 432928, 541160, 1082320, 2164640]

約数ペア:

[(1, 2164640), (2, 1082320), (4, 541160), (5, 432928), (8, 270580), (10, 216464), (16, 135290), (20, 108232), (32, 67645), (40, 54116), (80, 27058), (83, 26080), (160, 13529), (163, 13280), (166, 13040), (326, 6640), (332, 6520), (415, 5216), (652, 3320), (664, 3260), (815, 2656), (830, 2608), (1304, 1660), (1328, 1630)]