20957593600

素因数分解:

$2^{15}\times 5^2\times {\mathrm{25583}}^1$

素因数の和:25623

約数の個数: 96

約数和(自身を含む): 51976070640

約数和(自身を除く): 31018477040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 4096, 5120, 6400, 8192, 10240, 12800, 16384, 20480, 25583, 25600, 32768, 40960, 51166, 51200, 81920, 102332, 102400, 127915, 163840, 204664, 204800, 255830, 409328, 409600, 511660, 639575, 818656, 819200, 1023320, 1279150, 1637312, 2046640, 2558300, 3274624, 4093280, 5116600, 6549248, 8186560, 10233200, 13098496, 16373120, 20466400, 26196992, 32746240, 40932800, 52393984, 65492480, 81865600, 104787968, 130984960, 163731200, 209575936, 261969920, 327462400, 419151872, 523939840, 654924800, 838303744, 1047879680, 1309849600, 2095759360, 2619699200, 4191518720, 5239398400, 10478796800, 20957593600]

約数ペア:

[(1, 20957593600), (2, 10478796800), (4, 5239398400), (5, 4191518720), (8, 2619699200), (10, 2095759360), (16, 1309849600), (20, 1047879680), (25, 838303744), (32, 654924800), (40, 523939840), (50, 419151872), (64, 327462400), (80, 261969920), (100, 209575936), (128, 163731200), (160, 130984960), (200, 104787968), (256, 81865600), (320, 65492480), (400, 52393984), (512, 40932800), (640, 32746240), (800, 26196992), (1024, 20466400), (1280, 16373120), (1600, 13098496), (2048, 10233200), (2560, 8186560), (3200, 6549248), (4096, 5116600), (5120, 4093280), (6400, 3274624), (8192, 2558300), (10240, 2046640), (12800, 1637312), (16384, 1279150), (20480, 1023320), (25583, 819200), (25600, 818656), (32768, 639575), (40960, 511660), (51166, 409600), (51200, 409328), (81920, 255830), (102332, 204800), (102400, 204664), (127915, 163840)]