30325160

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1759}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 68428800

約数和(自身を除く): 38103640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 1759, 2155, 3448, 3518, 4310, 7036, 8620, 8795, 14072, 17240, 17590, 35180, 70360, 758129, 1516258, 3032516, 3790645, 6065032, 7581290, 15162580, 30325160]

約数ペア:

[(1, 30325160), (2, 15162580), (4, 7581290), (5, 6065032), (8, 3790645), (10, 3032516), (20, 1516258), (40, 758129), (431, 70360), (862, 35180), (1724, 17590), (1759, 17240), (2155, 14072), (3448, 8795), (3518, 8620), (4310, 7036)]