40379090

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 74131200

約数和(自身を除く): 33752110

約数列:

[1, 2, 5, 10, 103, 197, 199, 206, 394, 398, 515, 985, 995, 1030, 1970, 1990, 20291, 20497, 39203, 40582, 40994, 78406, 101455, 102485, 196015, 202910, 204970, 392030, 4037909, 8075818, 20189545, 40379090]

約数ペア:

[(1, 40379090), (2, 20189545), (5, 8075818), (10, 4037909), (103, 392030), (197, 204970), (199, 202910), (206, 196015), (394, 102485), (398, 101455), (515, 78406), (985, 40994), (995, 40582), (1030, 39203), (1970, 20497), (1990, 20291)]