16477960

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{839}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 20717240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 839, 982, 1678, 1964, 2455, 3356, 3928, 4195, 4910, 6712, 8390, 9820, 16780, 19640, 33560, 411949, 823898, 1647796, 2059745, 3295592, 4119490, 8238980, 16477960]

約数ペア:

[(1, 16477960), (2, 8238980), (4, 4119490), (5, 3295592), (8, 2059745), (10, 1647796), (20, 823898), (40, 411949), (491, 33560), (839, 19640), (982, 16780), (1678, 9820), (1964, 8390), (2455, 6712), (3356, 4910), (3928, 4195)]