25552000

素因数分解:

$2^7\times 5^3\times {\mathrm{1597}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 63568440

約数和(自身を除く): 38016440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1597, 1600, 2000, 3194, 3200, 4000, 6388, 7985, 8000, 12776, 15970, 16000, 25552, 31940, 39925, 51104, 63880, 79850, 102208, 127760, 159700, 199625, 204416, 255520, 319400, 399250, 511040, 638800, 798500, 1022080, 1277600, 1597000, 2555200, 3194000, 5110400, 6388000, 12776000, 25552000]

約数ペア:

[(1, 25552000), (2, 12776000), (4, 6388000), (5, 5110400), (8, 3194000), (10, 2555200), (16, 1597000), (20, 1277600), (25, 1022080), (32, 798500), (40, 638800), (50, 511040), (64, 399250), (80, 319400), (100, 255520), (125, 204416), (128, 199625), (160, 159700), (200, 127760), (250, 102208), (320, 79850), (400, 63880), (500, 51104), (640, 39925), (800, 31940), (1000, 25552), (1597, 16000), (1600, 15970), (2000, 12776), (3194, 8000), (3200, 7985), (4000, 6388)]