19748800

素因数分解:

$2^6\times 5^2\times {\mathrm{12343}}^1$

素因数の和:12365

約数の個数: 42

約数和(自身を含む): 48598328

約数和(自身を除く): 28849528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12343, 24686, 49372, 61715, 98744, 123430, 197488, 246860, 308575, 394976, 493720, 617150, 789952, 987440, 1234300, 1974880, 2468600, 3949760, 4937200, 9874400, 19748800]

約数ペア:

[(1, 19748800), (2, 9874400), (4, 4937200), (5, 3949760), (8, 2468600), (10, 1974880), (16, 1234300), (20, 987440), (25, 789952), (32, 617150), (40, 493720), (50, 394976), (64, 308575), (80, 246860), (100, 197488), (160, 123430), (200, 98744), (320, 61715), (400, 49372), (800, 24686), (1600, 12343)]