16811840

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 56

約数和(自身を含む): 40489632

約数和(自身を除く): 23677792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 491, 535, 856, 982, 1070, 1712, 1964, 2140, 2455, 3424, 3928, 4280, 4910, 6848, 7856, 8560, 9820, 15712, 17120, 19640, 31424, 34240, 39280, 52537, 78560, 105074, 157120, 210148, 262685, 420296, 525370, 840592, 1050740, 1681184, 2101480, 3362368, 4202960, 8405920, 16811840]

約数ペア:

[(1, 16811840), (2, 8405920), (4, 4202960), (5, 3362368), (8, 2101480), (10, 1681184), (16, 1050740), (20, 840592), (32, 525370), (40, 420296), (64, 262685), (80, 210148), (107, 157120), (160, 105074), (214, 78560), (320, 52537), (428, 39280), (491, 34240), (535, 31424), (856, 19640), (982, 17120), (1070, 15712), (1712, 9820), (1964, 8560), (2140, 7856), (2455, 6848), (3424, 4910), (3928, 4280)]