25526800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4940

約数の個数: 60

約数和(自身を含む): 66059140

約数和(自身を除く): 40532340

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 4909, 5200, 9818, 19636, 24545, 39272, 49090, 63817, 78544, 98180, 122725, 127634, 196360, 245450, 255268, 319085, 392720, 490900, 510536, 638170, 981800, 1021072, 1276340, 1595425, 1963600, 2552680, 3190850, 5105360, 6381700, 12763400, 25526800]

約数ペア:

[(1, 25526800), (2, 12763400), (4, 6381700), (5, 5105360), (8, 3190850), (10, 2552680), (13, 1963600), (16, 1595425), (20, 1276340), (25, 1021072), (26, 981800), (40, 638170), (50, 510536), (52, 490900), (65, 392720), (80, 319085), (100, 255268), (104, 245450), (130, 196360), (200, 127634), (208, 122725), (260, 98180), (325, 78544), (400, 63817), (520, 49090), (650, 39272), (1040, 24545), (1300, 19636), (2600, 9818), (4909, 5200)]