25187980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{18797}}^1$

素因数の和:18873

約数の個数: 24

約数和(自身を含む): 53687088

約数和(自身を除く): 28499108

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 18797, 37594, 75188, 93985, 187970, 375940, 1259399, 2518798, 5037596, 6296995, 12593990, 25187980]

約数ペア:

[(1, 25187980), (2, 12593990), (4, 6296995), (5, 5037596), (10, 2518798), (20, 1259399), (67, 375940), (134, 187970), (268, 93985), (335, 75188), (670, 37594), (1340, 18797)]