30428560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9277}}^1$

素因数の和:9331

約数の個数: 40

約数和(自身を含む): 72479736

約数和(自身を除く): 42051176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9277, 18554, 37108, 46385, 74216, 92770, 148432, 185540, 371080, 380357, 742160, 760714, 1521428, 1901785, 3042856, 3803570, 6085712, 7607140, 15214280, 30428560]

約数ペア:

[(1, 30428560), (2, 15214280), (4, 7607140), (5, 6085712), (8, 3803570), (10, 3042856), (16, 1901785), (20, 1521428), (40, 760714), (41, 742160), (80, 380357), (82, 371080), (164, 185540), (205, 148432), (328, 92770), (410, 74216), (656, 46385), (820, 37108), (1640, 18554), (3280, 9277)]