51500800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:658

約数の個数: 108

約数和(自身を含む): 137499880

約数和(自身を除く): 85999080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 619, 640, 650, 800, 832, 1040, 1238, 1280, 1300, 1600, 1664, 2080, 2476, 2600, 3095, 3200, 3328, 4160, 4952, 5200, 6190, 6400, 8047, 8320, 9904, 10400, 12380, 15475, 16094, 16640, 19808, 20800, 24760, 30950, 32188, 39616, 40235, 41600, 49520, 61900, 64376, 79232, 80470, 83200, 99040, 123800, 128752, 158464, 160940, 198080, 201175, 247600, 257504, 321880, 396160, 402350, 495200, 515008, 643760, 792320, 804700, 990400, 1030016, 1287520, 1609400, 1980800, 2060032, 2575040, 3218800, 3961600, 5150080, 6437600, 10300160, 12875200, 25750400, 51500800]

約数ペア:

[(1, 51500800), (2, 25750400), (4, 12875200), (5, 10300160), (8, 6437600), (10, 5150080), (13, 3961600), (16, 3218800), (20, 2575040), (25, 2060032), (26, 1980800), (32, 1609400), (40, 1287520), (50, 1030016), (52, 990400), (64, 804700), (65, 792320), (80, 643760), (100, 515008), (104, 495200), (128, 402350), (130, 396160), (160, 321880), (200, 257504), (208, 247600), (256, 201175), (260, 198080), (320, 160940), (325, 158464), (400, 128752), (416, 123800), (520, 99040), (619, 83200), (640, 80470), (650, 79232), (800, 64376), (832, 61900), (1040, 49520), (1238, 41600), (1280, 40235), (1300, 39616), (1600, 32188), (1664, 30950), (2080, 24760), (2476, 20800), (2600, 19808), (3095, 16640), (3200, 16094), (3328, 15475), (4160, 12380), (4952, 10400), (5200, 9904), (6190, 8320), (6400, 8047)]