6388000

素因数分解:

$2^5\times 5^3\times {\mathrm{1597}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 15705144

約数和(自身を除く): 9317144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1597, 2000, 3194, 4000, 6388, 7985, 12776, 15970, 25552, 31940, 39925, 51104, 63880, 79850, 127760, 159700, 199625, 255520, 319400, 399250, 638800, 798500, 1277600, 1597000, 3194000, 6388000]

約数ペア:

[(1, 6388000), (2, 3194000), (4, 1597000), (5, 1277600), (8, 798500), (10, 638800), (16, 399250), (20, 319400), (25, 255520), (32, 199625), (40, 159700), (50, 127760), (80, 79850), (100, 63880), (125, 51104), (160, 39925), (200, 31940), (250, 25552), (400, 15970), (500, 12776), (800, 7985), (1000, 6388), (1597, 4000), (2000, 3194)]