28695040

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1019}}^1$

素因数の和:1053

約数の個数: 80

約数和(自身を含む): 75129120

約数和(自身を除く): 46434080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1019, 1280, 1408, 1760, 2038, 2560, 2816, 3520, 4076, 5095, 5632, 7040, 8152, 10190, 11209, 14080, 16304, 20380, 22418, 28160, 32608, 40760, 44836, 56045, 65216, 81520, 89672, 112090, 130432, 163040, 179344, 224180, 260864, 326080, 358688, 448360, 521728, 652160, 717376, 896720, 1304320, 1434752, 1793440, 2608640, 2869504, 3586880, 5739008, 7173760, 14347520, 28695040]

約数ペア:

[(1, 28695040), (2, 14347520), (4, 7173760), (5, 5739008), (8, 3586880), (10, 2869504), (11, 2608640), (16, 1793440), (20, 1434752), (22, 1304320), (32, 896720), (40, 717376), (44, 652160), (55, 521728), (64, 448360), (80, 358688), (88, 326080), (110, 260864), (128, 224180), (160, 179344), (176, 163040), (220, 130432), (256, 112090), (320, 89672), (352, 81520), (440, 65216), (512, 56045), (640, 44836), (704, 40760), (880, 32608), (1019, 28160), (1280, 22418), (1408, 20380), (1760, 16304), (2038, 14080), (2560, 11209), (2816, 10190), (3520, 8152), (4076, 7040), (5095, 5632)]