80815890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13537}}^1$

素因数の和:13746

約数の個数: 32

約数和(自身を含む): 194947200

約数和(自身を除く): 114131310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 5970, 13537, 27074, 40611, 67685, 81222, 135370, 203055, 406110, 2693863, 5387726, 8081589, 13469315, 16163178, 26938630, 40407945, 80815890]

約数ペア:

[(1, 80815890), (2, 40407945), (3, 26938630), (5, 16163178), (6, 13469315), (10, 8081589), (15, 5387726), (30, 2693863), (199, 406110), (398, 203055), (597, 135370), (995, 81222), (1194, 67685), (1990, 40611), (2985, 27074), (5970, 13537)]