28872820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2729}}^1$

素因数の和:2784

約数の個数: 36

約数和(自身を含む): 63406980

約数和(自身を除く): 34534160

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 2729, 5290, 5458, 10580, 10916, 13645, 27290, 54580, 62767, 125534, 251068, 313835, 627670, 1255340, 1443641, 2887282, 5774564, 7218205, 14436410, 28872820]

約数ペア:

[(1, 28872820), (2, 14436410), (4, 7218205), (5, 5774564), (10, 2887282), (20, 1443641), (23, 1255340), (46, 627670), (92, 313835), (115, 251068), (230, 125534), (460, 62767), (529, 54580), (1058, 27290), (2116, 13645), (2645, 10916), (2729, 10580), (5290, 5458)]