256133600

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2521}}^1$

素因数の和:2668

約数の個数: 72

約数和(自身を含む): 630459648

約数和(自身を除く): 374326048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 2032, 2521, 2540, 3175, 4064, 5042, 5080, 6350, 10084, 10160, 12605, 12700, 20168, 20320, 25210, 25400, 40336, 50420, 50800, 63025, 80672, 100840, 101600, 126050, 201680, 252100, 320167, 403360, 504200, 640334, 1008400, 1280668, 1600835, 2016800, 2561336, 3201670, 5122672, 6403340, 8004175, 10245344, 12806680, 16008350, 25613360, 32016700, 51226720, 64033400, 128066800, 256133600]

約数ペア:

[(1, 256133600), (2, 128066800), (4, 64033400), (5, 51226720), (8, 32016700), (10, 25613360), (16, 16008350), (20, 12806680), (25, 10245344), (32, 8004175), (40, 6403340), (50, 5122672), (80, 3201670), (100, 2561336), (127, 2016800), (160, 1600835), (200, 1280668), (254, 1008400), (400, 640334), (508, 504200), (635, 403360), (800, 320167), (1016, 252100), (1270, 201680), (2032, 126050), (2521, 101600), (2540, 100840), (3175, 80672), (4064, 63025), (5042, 50800), (5080, 50420), (6350, 40336), (10084, 25400), (10160, 25210), (12605, 20320), (12700, 20168)]