128155840

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8521}}^1$

素因数の和:8585

約数の個数: 56

約数和(自身を含む): 311700672

約数和(自身を除く): 183544832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 7520, 8521, 15040, 17042, 34084, 42605, 68168, 85210, 136336, 170420, 272672, 340840, 400487, 545344, 681680, 800974, 1363360, 1601948, 2002435, 2726720, 3203896, 4004870, 6407792, 8009740, 12815584, 16019480, 25631168, 32038960, 64077920, 128155840]

約数ペア:

[(1, 128155840), (2, 64077920), (4, 32038960), (5, 25631168), (8, 16019480), (10, 12815584), (16, 8009740), (20, 6407792), (32, 4004870), (40, 3203896), (47, 2726720), (64, 2002435), (80, 1601948), (94, 1363360), (160, 800974), (188, 681680), (235, 545344), (320, 400487), (376, 340840), (470, 272672), (752, 170420), (940, 136336), (1504, 85210), (1880, 68168), (3008, 42605), (3760, 34084), (7520, 17042), (8521, 15040)]