155024440

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4273}}^1$

素因数の和:5191

約数の個数: 32

約数和(自身を含む): 349271280

約数和(自身を除く): 194246840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4273, 4535, 7256, 8546, 9070, 17092, 18140, 21365, 34184, 36280, 42730, 85460, 170920, 3875611, 7751222, 15502444, 19378055, 31004888, 38756110, 77512220, 155024440]

約数ペア:

[(1, 155024440), (2, 77512220), (4, 38756110), (5, 31004888), (8, 19378055), (10, 15502444), (20, 7751222), (40, 3875611), (907, 170920), (1814, 85460), (3628, 42730), (4273, 36280), (4535, 34184), (7256, 21365), (8546, 18140), (9070, 17092)]