40449968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{194471}}^1$

素因数の和:194492

約数の個数: 20

約数和(自身を含む): 84400848

約数和(自身を除く): 43950880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 194471, 388942, 777884, 1555768, 2528123, 3111536, 5056246, 10112492, 20224984, 40449968]

約数ペア:

[(1, 40449968), (2, 20224984), (4, 10112492), (8, 5056246), (13, 3111536), (16, 2528123), (26, 1555768), (52, 777884), (104, 388942), (208, 194471)]