30667720

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{997}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 69161400

約数和(自身を除く): 38493680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 997, 1538, 1994, 3076, 3845, 3988, 4985, 6152, 7690, 7976, 9970, 15380, 19940, 30760, 39880, 766693, 1533386, 3066772, 3833465, 6133544, 7666930, 15333860, 30667720]

約数ペア:

[(1, 30667720), (2, 15333860), (4, 7666930), (5, 6133544), (8, 3833465), (10, 3066772), (20, 1533386), (40, 766693), (769, 39880), (997, 30760), (1538, 19940), (1994, 15380), (3076, 9970), (3845, 7976), (3988, 7690), (4985, 6152)]