2128120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 4853520

約数和(自身を除く): 2725400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 641, 664, 830, 1282, 1660, 2564, 3205, 3320, 5128, 6410, 12820, 25640, 53203, 106406, 212812, 266015, 425624, 532030, 1064060, 2128120]

約数ペア:

[(1, 2128120), (2, 1064060), (4, 532030), (5, 425624), (8, 266015), (10, 212812), (20, 106406), (40, 53203), (83, 25640), (166, 12820), (332, 6410), (415, 5128), (641, 3320), (664, 3205), (830, 2564), (1282, 1660)]