43280000

素因数分解:

$2^7\times 5^4\times {\mathrm{541}}^1$

素因数の和:575

約数の個数: 80

約数和(自身を含む): 107942010

約数和(自身を除く): 64662010

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 541, 625, 640, 800, 1000, 1082, 1250, 1600, 2000, 2164, 2500, 2705, 3200, 4000, 4328, 5000, 5410, 8000, 8656, 10000, 10820, 13525, 16000, 17312, 20000, 21640, 27050, 34624, 40000, 43280, 54100, 67625, 69248, 80000, 86560, 108200, 135250, 173120, 216400, 270500, 338125, 346240, 432800, 541000, 676250, 865600, 1082000, 1352500, 1731200, 2164000, 2705000, 4328000, 5410000, 8656000, 10820000, 21640000, 43280000]

約数ペア:

[(1, 43280000), (2, 21640000), (4, 10820000), (5, 8656000), (8, 5410000), (10, 4328000), (16, 2705000), (20, 2164000), (25, 1731200), (32, 1352500), (40, 1082000), (50, 865600), (64, 676250), (80, 541000), (100, 432800), (125, 346240), (128, 338125), (160, 270500), (200, 216400), (250, 173120), (320, 135250), (400, 108200), (500, 86560), (541, 80000), (625, 69248), (640, 67625), (800, 54100), (1000, 43280), (1082, 40000), (1250, 34624), (1600, 27050), (2000, 21640), (2164, 20000), (2500, 17312), (2705, 16000), (3200, 13525), (4000, 10820), (4328, 10000), (5000, 8656), (5410, 8000)]