28789220

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2333}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 60581304

約数和(自身を除く): 31792084

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2333, 2468, 3085, 4666, 6170, 9332, 11665, 12340, 23330, 46660, 1439461, 2878922, 5757844, 7197305, 14394610, 28789220]

約数ペア:

[(1, 28789220), (2, 14394610), (4, 7197305), (5, 5757844), (10, 2878922), (20, 1439461), (617, 46660), (1234, 23330), (2333, 12340), (2468, 11665), (3085, 9332), (4666, 6170)]