52750000

素因数分解:

$2^4\times 5^6\times {\mathrm{211}}^1$

素因数の和:249

約数の個数: 70

約数和(自身を含む): 128357732

約数和(自身を除く): 75607732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 211, 250, 400, 422, 500, 625, 844, 1000, 1055, 1250, 1688, 2000, 2110, 2500, 3125, 3376, 4220, 5000, 5275, 6250, 8440, 10000, 10550, 12500, 15625, 16880, 21100, 25000, 26375, 31250, 42200, 50000, 52750, 62500, 84400, 105500, 125000, 131875, 211000, 250000, 263750, 422000, 527500, 659375, 1055000, 1318750, 2110000, 2637500, 3296875, 5275000, 6593750, 10550000, 13187500, 26375000, 52750000]

約数ペア:

[(1, 52750000), (2, 26375000), (4, 13187500), (5, 10550000), (8, 6593750), (10, 5275000), (16, 3296875), (20, 2637500), (25, 2110000), (40, 1318750), (50, 1055000), (80, 659375), (100, 527500), (125, 422000), (200, 263750), (211, 250000), (250, 211000), (400, 131875), (422, 125000), (500, 105500), (625, 84400), (844, 62500), (1000, 52750), (1055, 50000), (1250, 42200), (1688, 31250), (2000, 26375), (2110, 25000), (2500, 21100), (3125, 16880), (3376, 15625), (4220, 12500), (5000, 10550), (5275, 10000), (6250, 8440)]