89319940

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{5323}}^1$

素因数の和:6171

約数の個数: 24

約数和(自身を含む): 187830720

約数和(自身を除く): 98510780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 5323, 8390, 10646, 16780, 21292, 26615, 53230, 106460, 4465997, 8931994, 17863988, 22329985, 44659970, 89319940]

約数ペア:

[(1, 89319940), (2, 44659970), (4, 22329985), (5, 17863988), (10, 8931994), (20, 4465997), (839, 106460), (1678, 53230), (3356, 26615), (4195, 21292), (5323, 16780), (8390, 10646)]