81444400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5503}}^1$

素因数の和:5558

約数の個数: 60

約数和(自身を含む): 200995072

約数和(自身を除く): 119550672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1480, 1850, 2960, 3700, 5503, 7400, 11006, 14800, 22012, 27515, 44024, 55030, 88048, 110060, 137575, 203611, 220120, 275150, 407222, 440240, 550300, 814444, 1018055, 1100600, 1628888, 2036110, 2201200, 3257776, 4072220, 5090275, 8144440, 10180550, 16288880, 20361100, 40722200, 81444400]

約数ペア:

[(1, 81444400), (2, 40722200), (4, 20361100), (5, 16288880), (8, 10180550), (10, 8144440), (16, 5090275), (20, 4072220), (25, 3257776), (37, 2201200), (40, 2036110), (50, 1628888), (74, 1100600), (80, 1018055), (100, 814444), (148, 550300), (185, 440240), (200, 407222), (296, 275150), (370, 220120), (400, 203611), (592, 137575), (740, 110060), (925, 88048), (1480, 55030), (1850, 44024), (2960, 27515), (3700, 22012), (5503, 14800), (7400, 11006)]