15691187240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20646299}}^1$

素因数の和:20646329

約数の個数: 32

約数和(自身を含む): 37163340000

約数和(自身を除く): 21472152760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20646299, 41292598, 82585196, 103231495, 165170392, 206462990, 392279681, 412925980, 784559362, 825851960, 1569118724, 1961398405, 3138237448, 3922796810, 7845593620, 15691187240]

約数ペア:

[(1, 15691187240), (2, 7845593620), (4, 3922796810), (5, 3138237448), (8, 1961398405), (10, 1569118724), (19, 825851960), (20, 784559362), (38, 412925980), (40, 392279681), (76, 206462990), (95, 165170392), (152, 103231495), (190, 82585196), (380, 41292598), (760, 20646299)]