51400000

素因数分解:

$2^6\times 5^5\times {\mathrm{257}}^1$

素因数の和:294

約数の個数: 84

約数和(自身を含む): 127983996

約数和(自身を除く): 76583996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 257, 320, 400, 500, 514, 625, 800, 1000, 1028, 1250, 1285, 1600, 2000, 2056, 2500, 2570, 3125, 4000, 4112, 5000, 5140, 6250, 6425, 8000, 8224, 10000, 10280, 12500, 12850, 16448, 20000, 20560, 25000, 25700, 32125, 40000, 41120, 50000, 51400, 64250, 82240, 100000, 102800, 128500, 160625, 200000, 205600, 257000, 321250, 411200, 514000, 642500, 803125, 1028000, 1285000, 1606250, 2056000, 2570000, 3212500, 5140000, 6425000, 10280000, 12850000, 25700000, 51400000]

約数ペア:

[(1, 51400000), (2, 25700000), (4, 12850000), (5, 10280000), (8, 6425000), (10, 5140000), (16, 3212500), (20, 2570000), (25, 2056000), (32, 1606250), (40, 1285000), (50, 1028000), (64, 803125), (80, 642500), (100, 514000), (125, 411200), (160, 321250), (200, 257000), (250, 205600), (257, 200000), (320, 160625), (400, 128500), (500, 102800), (514, 100000), (625, 82240), (800, 64250), (1000, 51400), (1028, 50000), (1250, 41120), (1285, 40000), (1600, 32125), (2000, 25700), (2056, 25000), (2500, 20560), (2570, 20000), (3125, 16448), (4000, 12850), (4112, 12500), (5000, 10280), (5140, 10000), (6250, 8224), (6425, 8000)]