12776000

素因数分解:

$2^6\times 5^3\times {\mathrm{1597}}^1$

素因数の和:1624

約数の個数: 56

約数和(自身を含む): 31659576

約数和(自身を除く): 18883576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1597, 1600, 2000, 3194, 4000, 6388, 7985, 8000, 12776, 15970, 25552, 31940, 39925, 51104, 63880, 79850, 102208, 127760, 159700, 199625, 255520, 319400, 399250, 511040, 638800, 798500, 1277600, 1597000, 2555200, 3194000, 6388000, 12776000]

約数ペア:

[(1, 12776000), (2, 6388000), (4, 3194000), (5, 2555200), (8, 1597000), (10, 1277600), (16, 798500), (20, 638800), (25, 511040), (32, 399250), (40, 319400), (50, 255520), (64, 199625), (80, 159700), (100, 127760), (125, 102208), (160, 79850), (200, 63880), (250, 51104), (320, 39925), (400, 31940), (500, 25552), (800, 15970), (1000, 12776), (1597, 8000), (1600, 7985), (2000, 6388), (3194, 4000)]