28747840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8167}}^1$

素因数の和:8195

約数の個数: 56

約数和(自身を含む): 74688192

約数和(自身を除く): 45940352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8167, 16334, 32668, 40835, 65336, 81670, 89837, 130672, 163340, 179674, 261344, 326680, 359348, 449185, 522688, 653360, 718696, 898370, 1306720, 1437392, 1796740, 2613440, 2874784, 3593480, 5749568, 7186960, 14373920, 28747840]

約数ペア:

[(1, 28747840), (2, 14373920), (4, 7186960), (5, 5749568), (8, 3593480), (10, 2874784), (11, 2613440), (16, 1796740), (20, 1437392), (22, 1306720), (32, 898370), (40, 718696), (44, 653360), (55, 522688), (64, 449185), (80, 359348), (88, 326680), (110, 261344), (160, 179674), (176, 163340), (220, 130672), (320, 89837), (352, 81670), (440, 65336), (704, 40835), (880, 32668), (1760, 16334), (3520, 8167)]