51100000

素因数分解:

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

素因数の和:115

約数の個数: 144

約数和(自身を含む): 145678176

約数和(自身を除く): 94578176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 73, 80, 100, 112, 125, 140, 146, 160, 175, 200, 224, 250, 280, 292, 350, 365, 400, 500, 511, 560, 584, 625, 700, 730, 800, 875, 1000, 1022, 1120, 1168, 1250, 1400, 1460, 1750, 1825, 2000, 2044, 2336, 2500, 2555, 2800, 2920, 3125, 3500, 3650, 4000, 4088, 4375, 5000, 5110, 5600, 5840, 6250, 7000, 7300, 8176, 8750, 9125, 10000, 10220, 11680, 12500, 12775, 14000, 14600, 16352, 17500, 18250, 20000, 20440, 21875, 25000, 25550, 28000, 29200, 35000, 36500, 40880, 43750, 45625, 50000, 51100, 58400, 63875, 70000, 73000, 81760, 87500, 91250, 100000, 102200, 127750, 140000, 146000, 175000, 182500, 204400, 228125, 255500, 292000, 319375, 350000, 365000, 408800, 456250, 511000, 638750, 700000, 730000, 912500, 1022000, 1277500, 1460000, 1596875, 1825000, 2044000, 2555000, 3193750, 3650000, 5110000, 6387500, 7300000, 10220000, 12775000, 25550000, 51100000]

約数ペア:

[(1, 51100000), (2, 25550000), (4, 12775000), (5, 10220000), (7, 7300000), (8, 6387500), (10, 5110000), (14, 3650000), (16, 3193750), (20, 2555000), (25, 2044000), (28, 1825000), (32, 1596875), (35, 1460000), (40, 1277500), (50, 1022000), (56, 912500), (70, 730000), (73, 700000), (80, 638750), (100, 511000), (112, 456250), (125, 408800), (140, 365000), (146, 350000), (160, 319375), (175, 292000), (200, 255500), (224, 228125), (250, 204400), (280, 182500), (292, 175000), (350, 146000), (365, 140000), (400, 127750), (500, 102200), (511, 100000), (560, 91250), (584, 87500), (625, 81760), (700, 73000), (730, 70000), (800, 63875), (875, 58400), (1000, 51100), (1022, 50000), (1120, 45625), (1168, 43750), (1250, 40880), (1400, 36500), (1460, 35000), (1750, 29200), (1825, 28000), (2000, 25550), (2044, 25000), (2336, 21875), (2500, 20440), (2555, 20000), (2800, 18250), (2920, 17500), (3125, 16352), (3500, 14600), (3650, 14000), (4000, 12775), (4088, 12500), (4375, 11680), (5000, 10220), (5110, 10000), (5600, 9125), (5840, 8750), (6250, 8176), (7000, 7300)]