51996800

素因数分解:

$2^7\times 5^2\times {\mathrm{16249}}^1$

素因数の和:16273

約数の個数: 48

約数和(自身を含む): 128456250

約数和(自身を除く): 76459450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 16249, 32498, 64996, 81245, 129992, 162490, 259984, 324980, 406225, 519968, 649960, 812450, 1039936, 1299920, 1624900, 2079872, 2599840, 3249800, 5199680, 6499600, 10399360, 12999200, 25998400, 51996800]

約数ペア:

[(1, 51996800), (2, 25998400), (4, 12999200), (5, 10399360), (8, 6499600), (10, 5199680), (16, 3249800), (20, 2599840), (25, 2079872), (32, 1624900), (40, 1299920), (50, 1039936), (64, 812450), (80, 649960), (100, 519968), (128, 406225), (160, 324980), (200, 259984), (320, 162490), (400, 129992), (640, 81245), (800, 64996), (1600, 32498), (3200, 16249)]