30651980

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3011}}^1$

素因数の和:3529

約数の個数: 24

約数和(自身を含む): 64517040

約数和(自身を除く): 33865060

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 3011, 5090, 6022, 10180, 12044, 15055, 30110, 60220, 1532599, 3065198, 6130396, 7662995, 15325990, 30651980]

約数ペア:

[(1, 30651980), (2, 15325990), (4, 7662995), (5, 6130396), (10, 3065198), (20, 1532599), (509, 60220), (1018, 30110), (2036, 15055), (2545, 12044), (3011, 10180), (5090, 6022)]