38310940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21523}}^1$

素因数の和:21621

約数の個数: 24

約数和(自身を含む): 81360720

約数和(自身を除く): 43049780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 21523, 43046, 86092, 107615, 215230, 430460, 1915547, 3831094, 7662188, 9577735, 19155470, 38310940]

約数ペア:

[(1, 38310940), (2, 19155470), (4, 9577735), (5, 7662188), (10, 3831094), (20, 1915547), (89, 430460), (178, 215230), (356, 107615), (445, 86092), (890, 43046), (1780, 21523)]