90707800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5741}}^1$

素因数の和:5836

約数の個数: 48

約数和(自身を含む): 213602400

約数和(自身を除く): 122894600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 5741, 7900, 11482, 15800, 22964, 28705, 45928, 57410, 114820, 143525, 229640, 287050, 453539, 574100, 907078, 1148200, 1814156, 2267695, 3628312, 4535390, 9070780, 11338475, 18141560, 22676950, 45353900, 90707800]

約数ペア:

[(1, 90707800), (2, 45353900), (4, 22676950), (5, 18141560), (8, 11338475), (10, 9070780), (20, 4535390), (25, 3628312), (40, 2267695), (50, 1814156), (79, 1148200), (100, 907078), (158, 574100), (200, 453539), (316, 287050), (395, 229640), (632, 143525), (790, 114820), (1580, 57410), (1975, 45928), (3160, 28705), (3950, 22964), (5741, 15800), (7900, 11482)]