28734400

素因数分解:

$2^6\times 5^2\times {\mathrm{17959}}^1$

素因数の和:17981

約数の個数: 42

約数和(自身を含む): 70708520

約数和(自身を除く): 41974120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 17959, 35918, 71836, 89795, 143672, 179590, 287344, 359180, 448975, 574688, 718360, 897950, 1149376, 1436720, 1795900, 2873440, 3591800, 5746880, 7183600, 14367200, 28734400]

約数ペア:

[(1, 28734400), (2, 14367200), (4, 7183600), (5, 5746880), (8, 3591800), (10, 2873440), (16, 1795900), (20, 1436720), (25, 1149376), (32, 897950), (40, 718360), (50, 574688), (64, 448975), (80, 359180), (100, 287344), (160, 179590), (200, 143672), (320, 89795), (400, 71836), (800, 35918), (1600, 17959)]