25550000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 71682912

約数和(自身を除く): 46132912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 73, 80, 100, 112, 125, 140, 146, 175, 200, 250, 280, 292, 350, 365, 400, 500, 511, 560, 584, 625, 700, 730, 875, 1000, 1022, 1168, 1250, 1400, 1460, 1750, 1825, 2000, 2044, 2500, 2555, 2800, 2920, 3125, 3500, 3650, 4088, 4375, 5000, 5110, 5840, 6250, 7000, 7300, 8176, 8750, 9125, 10000, 10220, 12500, 12775, 14000, 14600, 17500, 18250, 20440, 21875, 25000, 25550, 29200, 35000, 36500, 40880, 43750, 45625, 50000, 51100, 63875, 70000, 73000, 87500, 91250, 102200, 127750, 146000, 175000, 182500, 204400, 228125, 255500, 319375, 350000, 365000, 456250, 511000, 638750, 730000, 912500, 1022000, 1277500, 1596875, 1825000, 2555000, 3193750, 3650000, 5110000, 6387500, 12775000, 25550000]

約数ペア:

[(1, 25550000), (2, 12775000), (4, 6387500), (5, 5110000), (7, 3650000), (8, 3193750), (10, 2555000), (14, 1825000), (16, 1596875), (20, 1277500), (25, 1022000), (28, 912500), (35, 730000), (40, 638750), (50, 511000), (56, 456250), (70, 365000), (73, 350000), (80, 319375), (100, 255500), (112, 228125), (125, 204400), (140, 182500), (146, 175000), (175, 146000), (200, 127750), (250, 102200), (280, 91250), (292, 87500), (350, 73000), (365, 70000), (400, 63875), (500, 51100), (511, 50000), (560, 45625), (584, 43750), (625, 40880), (700, 36500), (730, 35000), (875, 29200), (1000, 25550), (1022, 25000), (1168, 21875), (1250, 20440), (1400, 18250), (1460, 17500), (1750, 14600), (1825, 14000), (2000, 12775), (2044, 12500), (2500, 10220), (2555, 10000), (2800, 9125), (2920, 8750), (3125, 8176), (3500, 7300), (3650, 7000), (4088, 6250), (4375, 5840), (5000, 5110)]