39985072

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{13807}}^1$

素因数の和:13996

約数の個数: 20

約数和(自身を含む): 77904736

約数和(自身を除く): 37919664

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 13807, 27614, 55228, 110456, 220912, 2499067, 4998134, 9996268, 19992536, 39985072]

約数ペア:

[(1, 39985072), (2, 19992536), (4, 9996268), (8, 4998134), (16, 2499067), (181, 220912), (362, 110456), (724, 55228), (1448, 27614), (2896, 13807)]