28485760

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 69621120

約数和(自身を除く): 41135360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 947, 1504, 1880, 1894, 3008, 3760, 3788, 4735, 6016, 7520, 7576, 9470, 15040, 15152, 18940, 30080, 30304, 37880, 44509, 60608, 75760, 89018, 121216, 151520, 178036, 222545, 303040, 356072, 445090, 606080, 712144, 890180, 1424288, 1780360, 2848576, 3560720, 5697152, 7121440, 14242880, 28485760]

約数ペア:

[(1, 28485760), (2, 14242880), (4, 7121440), (5, 5697152), (8, 3560720), (10, 2848576), (16, 1780360), (20, 1424288), (32, 890180), (40, 712144), (47, 606080), (64, 445090), (80, 356072), (94, 303040), (128, 222545), (160, 178036), (188, 151520), (235, 121216), (320, 89018), (376, 75760), (470, 60608), (640, 44509), (752, 37880), (940, 30304), (947, 30080), (1504, 18940), (1880, 15152), (1894, 15040), (3008, 9470), (3760, 7576), (3788, 7520), (4735, 6016)]