2528000

素因数分解:

$2^8\times 5^3\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 72

約数和(自身を含む): 6377280

約数和(自身を除く): 3849280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 125, 128, 158, 160, 200, 250, 256, 316, 320, 395, 400, 500, 632, 640, 790, 800, 1000, 1264, 1280, 1580, 1600, 1975, 2000, 2528, 3160, 3200, 3950, 4000, 5056, 6320, 6400, 7900, 8000, 9875, 10112, 12640, 15800, 16000, 19750, 20224, 25280, 31600, 32000, 39500, 50560, 63200, 79000, 101120, 126400, 158000, 252800, 316000, 505600, 632000, 1264000, 2528000]

約数ペア:

[(1, 2528000), (2, 1264000), (4, 632000), (5, 505600), (8, 316000), (10, 252800), (16, 158000), (20, 126400), (25, 101120), (32, 79000), (40, 63200), (50, 50560), (64, 39500), (79, 32000), (80, 31600), (100, 25280), (125, 20224), (128, 19750), (158, 16000), (160, 15800), (200, 12640), (250, 10112), (256, 9875), (316, 8000), (320, 7900), (395, 6400), (400, 6320), (500, 5056), (632, 4000), (640, 3950), (790, 3200), (800, 3160), (1000, 2528), (1264, 2000), (1280, 1975), (1580, 1600)]