8988800

素因数分解:

$2^7\times 5^2\times {\mathrm{53}}^2$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 22632015

約数和(自身を除く): 13643215

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 128, 160, 200, 212, 265, 320, 400, 424, 530, 640, 800, 848, 1060, 1325, 1600, 1696, 2120, 2650, 2809, 3200, 3392, 4240, 5300, 5618, 6784, 8480, 10600, 11236, 14045, 16960, 21200, 22472, 28090, 33920, 42400, 44944, 56180, 70225, 84800, 89888, 112360, 140450, 169600, 179776, 224720, 280900, 359552, 449440, 561800, 898880, 1123600, 1797760, 2247200, 4494400, 8988800]

約数ペア:

[(1, 8988800), (2, 4494400), (4, 2247200), (5, 1797760), (8, 1123600), (10, 898880), (16, 561800), (20, 449440), (25, 359552), (32, 280900), (40, 224720), (50, 179776), (53, 169600), (64, 140450), (80, 112360), (100, 89888), (106, 84800), (128, 70225), (160, 56180), (200, 44944), (212, 42400), (265, 33920), (320, 28090), (400, 22472), (424, 21200), (530, 16960), (640, 14045), (800, 11236), (848, 10600), (1060, 8480), (1325, 6784), (1600, 5618), (1696, 5300), (2120, 4240), (2650, 3392), (2809, 3200)]