135944440

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{12541}}^1$

素因数の和:12823

約数の個数: 32

約数和(自身を含む): 307028160

約数和(自身を除く): 171083720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 12541, 25082, 50164, 62705, 100328, 125410, 250820, 501640, 3398611, 6797222, 13594444, 16993055, 27188888, 33986110, 67972220, 135944440]

約数ペア:

[(1, 135944440), (2, 67972220), (4, 33986110), (5, 27188888), (8, 16993055), (10, 13594444), (20, 6797222), (40, 3398611), (271, 501640), (542, 250820), (1084, 125410), (1355, 100328), (2168, 62705), (2710, 50164), (5420, 25082), (10840, 12541)]