72166400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{2819}}^1$

素因数の和:2849

約数の個数: 66

約数和(自身を含む): 178948740

約数和(自身を除く): 106782340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 2819, 3200, 5120, 5638, 6400, 11276, 12800, 14095, 22552, 25600, 28190, 45104, 56380, 70475, 90208, 112760, 140950, 180416, 225520, 281900, 360832, 451040, 563800, 721664, 902080, 1127600, 1443328, 1804160, 2255200, 2886656, 3608320, 4510400, 7216640, 9020800, 14433280, 18041600, 36083200, 72166400]

約数ペア:

[(1, 72166400), (2, 36083200), (4, 18041600), (5, 14433280), (8, 9020800), (10, 7216640), (16, 4510400), (20, 3608320), (25, 2886656), (32, 2255200), (40, 1804160), (50, 1443328), (64, 1127600), (80, 902080), (100, 721664), (128, 563800), (160, 451040), (200, 360832), (256, 281900), (320, 225520), (400, 180416), (512, 140950), (640, 112760), (800, 90208), (1024, 70475), (1280, 56380), (1600, 45104), (2560, 28190), (2819, 25600), (3200, 22552), (5120, 14095), (5638, 12800), (6400, 11276)]