30854680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7489}}^1$

素因数の和:7603

約数の個数: 32

約数和(自身を含む): 70106400

約数和(自身を除く): 39251720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7489, 14978, 29956, 37445, 59912, 74890, 149780, 299560, 771367, 1542734, 3085468, 3856835, 6170936, 7713670, 15427340, 30854680]

約数ペア:

[(1, 30854680), (2, 15427340), (4, 7713670), (5, 6170936), (8, 3856835), (10, 3085468), (20, 1542734), (40, 771367), (103, 299560), (206, 149780), (412, 74890), (515, 59912), (824, 37445), (1030, 29956), (2060, 14978), (4120, 7489)]